Home / 387,755.11-534,839.04-251,545.63

Finding the Fourth Proportional to 387,755.11, 534,839.04 and 251,545.63

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Solution

The fourth proportional to 387,755.11, 534,839.04 and 251,545.63 is: 346,962.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,755.11 : 534,839.04 = 251,545.63 : x
  2. Step 2: Convert to fraction form
    387,755.11/534,839.04 = 251,545.63/x
  3. Step 3: Cross multiply
    387,755.11x = 534,839.04 × 251,545.63
  4. Step 4: Simplify right side
    387,755.11x = 134,536,423,265.40
  5. Step 5: Solve for x
    x = 134,536,423,265.40/387,755.11
  6. Step 6: Final answer
    x = 346,962.35

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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.