Home / 380,841.18-525,561.26-211,075.44

Finding the Fourth Proportional to 380,841.18, 525,561.26 and 211,075.44

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Solution

The fourth proportional to 380,841.18, 525,561.26 and 211,075.44 is: 291,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,841.18 : 525,561.26 = 211,075.44 : x
  2. Step 2: Convert to fraction form
    380,841.18/525,561.26 = 211,075.44/x
  3. Step 3: Cross multiply
    380,841.18x = 525,561.26 × 211,075.44
  4. Step 4: Simplify right side
    380,841.18x = 110,933,073,146.08
  5. Step 5: Solve for x
    x = 110,933,073,146.08/380,841.18
  6. Step 6: Final answer
    x = 291,284.34

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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.