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Finding the Fourth Proportional to 374,460.57, 561,635.50 and 137,747.89

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Solution

The fourth proportional to 374,460.57, 561,635.50 and 137,747.89 is: 206,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,460.57 : 561,635.50 = 137,747.89 : x
  2. Step 2: Convert to fraction form
    374,460.57/561,635.50 = 137,747.89/x
  3. Step 3: Cross multiply
    374,460.57x = 561,635.50 × 137,747.89
  4. Step 4: Simplify right side
    374,460.57x = 77,364,104,385.36
  5. Step 5: Solve for x
    x = 77,364,104,385.36/374,460.57
  6. Step 6: Final answer
    x = 206,601.47

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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.