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Finding the Fourth Proportional to 151,385.81, 226,909.00 and 61,407.62

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Solution

The fourth proportional to 151,385.81, 226,909.00 and 61,407.62 is: 92,042.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,385.81 : 226,909.00 = 61,407.62 : x
  2. Step 2: Convert to fraction form
    151,385.81/226,909.00 = 61,407.62/x
  3. Step 3: Cross multiply
    151,385.81x = 226,909.00 × 61,407.62
  4. Step 4: Simplify right side
    151,385.81x = 13,933,941,094.29
  5. Step 5: Solve for x
    x = 13,933,941,094.29/151,385.81
  6. Step 6: Final answer
    x = 92,042.58

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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.