Home / 389,961.14-584,940.17-123,742.41

Finding the Fourth Proportional to 389,961.14, 584,940.17 and 123,742.41

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Solution

The fourth proportional to 389,961.14, 584,940.17 and 123,742.41 is: 185,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,961.14 : 584,940.17 = 123,742.41 : x
  2. Step 2: Convert to fraction form
    389,961.14/584,940.17 = 123,742.41/x
  3. Step 3: Cross multiply
    389,961.14x = 584,940.17 × 123,742.41
  4. Step 4: Simplify right side
    389,961.14x = 72,381,906,341.61
  5. Step 5: Solve for x
    x = 72,381,906,341.61/389,961.14
  6. Step 6: Final answer
    x = 185,613.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.