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Finding the Fourth Proportional to 337,637.95, 506,456.93 and 137,958.15

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Solution

The fourth proportional to 337,637.95, 506,456.93 and 137,958.15 is: 206,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,637.95 : 506,456.93 = 137,958.15 : x
  2. Step 2: Convert to fraction form
    337,637.95/506,456.93 = 137,958.15/x
  3. Step 3: Cross multiply
    337,637.95x = 506,456.93 × 137,958.15
  4. Step 4: Simplify right side
    337,637.95x = 69,869,860,427.69
  5. Step 5: Solve for x
    x = 69,869,860,427.69/337,637.95
  6. Step 6: Final answer
    x = 206,937.23

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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.