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Finding the Fourth Proportional to 151,747.65, 227,712.60 and 62,991.90

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Solution

The fourth proportional to 151,747.65, 227,712.60 and 62,991.90 is: 94,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,747.65 : 227,712.60 = 62,991.90 : x
  2. Step 2: Convert to fraction form
    151,747.65/227,712.60 = 62,991.90/x
  3. Step 3: Cross multiply
    151,747.65x = 227,712.60 × 62,991.90
  4. Step 4: Simplify right side
    151,747.65x = 14,344,049,327.94
  5. Step 5: Solve for x
    x = 14,344,049,327.94/151,747.65
  6. Step 6: Final answer
    x = 94,525.68

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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.