Home / 387,231.13-532,483.89-336,154.58

Finding the Fourth Proportional to 387,231.13, 532,483.89 and 336,154.58

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Solution

The fourth proportional to 387,231.13, 532,483.89 and 336,154.58 is: 462,248.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,231.13 : 532,483.89 = 336,154.58 : x
  2. Step 2: Convert to fraction form
    387,231.13/532,483.89 = 336,154.58/x
  3. Step 3: Cross multiply
    387,231.13x = 532,483.89 × 336,154.58
  4. Step 4: Simplify right side
    387,231.13x = 178,996,898,399.72
  5. Step 5: Solve for x
    x = 178,996,898,399.72/387,231.13
  6. Step 6: Final answer
    x = 462,248.21

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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.