Home / 300,868.83-415,190.07-164,899.80

Finding the Fourth Proportional to 300,868.83, 415,190.07 and 164,899.80

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Solution

The fourth proportional to 300,868.83, 415,190.07 and 164,899.80 is: 227,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,868.83 : 415,190.07 = 164,899.80 : x
  2. Step 2: Convert to fraction form
    300,868.83/415,190.07 = 164,899.80/x
  3. Step 3: Cross multiply
    300,868.83x = 415,190.07 × 164,899.80
  4. Step 4: Simplify right side
    300,868.83x = 68,464,759,504.99
  5. Step 5: Solve for x
    x = 68,464,759,504.99/300,868.83
  6. Step 6: Final answer
    x = 227,556.84

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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.