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Finding the Fourth Proportional to 240,369.71, 331,812.33 and 149,770.43

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Solution

The fourth proportional to 240,369.71, 331,812.33 and 149,770.43 is: 206,746.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,369.71 : 331,812.33 = 149,770.43 : x
  2. Step 2: Convert to fraction form
    240,369.71/331,812.33 = 149,770.43/x
  3. Step 3: Cross multiply
    240,369.71x = 331,812.33 × 149,770.43
  4. Step 4: Simplify right side
    240,369.71x = 49,695,676,410.02
  5. Step 5: Solve for x
    x = 49,695,676,410.02/240,369.71
  6. Step 6: Final answer
    x = 206,746.84

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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.