Home / 374,306.94-516,389.18-272,108.43

Finding the Fourth Proportional to 374,306.94, 516,389.18 and 272,108.43

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Solution

The fourth proportional to 374,306.94, 516,389.18 and 272,108.43 is: 375,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,306.94 : 516,389.18 = 272,108.43 : x
  2. Step 2: Convert to fraction form
    374,306.94/516,389.18 = 272,108.43/x
  3. Step 3: Cross multiply
    374,306.94x = 516,389.18 × 272,108.43
  4. Step 4: Simplify right side
    374,306.94x = 140,513,847,678.25
  5. Step 5: Solve for x
    x = 140,513,847,678.25/374,306.94
  6. Step 6: Final answer
    x = 375,397.39

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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.