Home / 392,730.40-541,937.82-220,593.52

Finding the Fourth Proportional to 392,730.40, 541,937.82 and 220,593.52

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Solution

The fourth proportional to 392,730.40, 541,937.82 and 220,593.52 is: 304,402.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,730.40 : 541,937.82 = 220,593.52 : x
  2. Step 2: Convert to fraction form
    392,730.40/541,937.82 = 220,593.52/x
  3. Step 3: Cross multiply
    392,730.40x = 541,937.82 × 220,593.52
  4. Step 4: Simplify right side
    392,730.40x = 119,547,971,334.93
  5. Step 5: Solve for x
    x = 119,547,971,334.93/392,730.40
  6. Step 6: Final answer
    x = 304,402.13

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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.