Home / 387,517.17-534,550.74-242,070.11

Finding the Fourth Proportional to 387,517.17, 534,550.74 and 242,070.11

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Solution

The fourth proportional to 387,517.17, 534,550.74 and 242,070.11 is: 333,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,517.17 : 534,550.74 = 242,070.11 : x
  2. Step 2: Convert to fraction form
    387,517.17/534,550.74 = 242,070.11/x
  3. Step 3: Cross multiply
    387,517.17x = 534,550.74 × 242,070.11
  4. Step 4: Simplify right side
    387,517.17x = 129,398,753,759.63
  5. Step 5: Solve for x
    x = 129,398,753,759.63/387,517.17
  6. Step 6: Final answer
    x = 333,917.47

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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.