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Finding the Fourth Proportional to 151,898.52, 227,905.20 and 63,144.57

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Solution

The fourth proportional to 151,898.52, 227,905.20 and 63,144.57 is: 94,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,898.52 : 227,905.20 = 63,144.57 : x
  2. Step 2: Convert to fraction form
    151,898.52/227,905.20 = 63,144.57/x
  3. Step 3: Cross multiply
    151,898.52x = 227,905.20 × 63,144.57
  4. Step 4: Simplify right side
    151,898.52x = 14,390,975,854.76
  5. Step 5: Solve for x
    x = 14,390,975,854.76/151,898.52
  6. Step 6: Final answer
    x = 94,740.72

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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.