Home / 392,355.29-541,468.09-231,217.13

Finding the Fourth Proportional to 392,355.29, 541,468.09 and 231,217.13

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Solution

The fourth proportional to 392,355.29, 541,468.09 and 231,217.13 is: 319,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,355.29 : 541,468.09 = 231,217.13 : x
  2. Step 2: Convert to fraction form
    392,355.29/541,468.09 = 231,217.13/x
  3. Step 3: Cross multiply
    392,355.29x = 541,468.09 × 231,217.13
  4. Step 4: Simplify right side
    392,355.29x = 125,196,699,399.07
  5. Step 5: Solve for x
    x = 125,196,699,399.07/392,355.29
  6. Step 6: Final answer
    x = 319,090.13

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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.