Home / 300,918-415,266.84-166,782

Finding the Fourth Proportional to 300,918, 415,266.84 and 166,782

Calculator

Solution

The fourth proportional to 300,918, 415,266.84 and 166,782 is: 230,159.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,918 : 415,266.84 = 166,782 : x
  2. Step 2: Convert to fraction form
    300,918/415,266.84 = 166,782/x
  3. Step 3: Cross multiply
    300,918x = 415,266.84 × 166,782
  4. Step 4: Simplify right side
    300,918x = 69,259,034,108.88
  5. Step 5: Solve for x
    x = 69,259,034,108.88/300,918
  6. Step 6: Final answer
    x = 230,159.16

Related Problems

Find fourth proportional to 150,459, 207,633.42 and 83,391
Half scale
Find fourth proportional to 601,836, 830,533.68 and 333,564
Double scale
Find fourth proportional to 300,919, 415,268.22 and 166,783
Similar ratio
Find fourth proportional to 451,377, 622,900.26 and 250,173
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.