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Finding the Fourth Proportional to 165,174.71, 247,798.98 and 52,861.68

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Solution

The fourth proportional to 165,174.71, 247,798.98 and 52,861.68 is: 79,304.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,174.71 : 247,798.98 = 52,861.68 : x
  2. Step 2: Convert to fraction form
    165,174.71/247,798.98 = 52,861.68/x
  3. Step 3: Cross multiply
    165,174.71x = 247,798.98 × 52,861.68
  4. Step 4: Simplify right side
    165,174.71x = 13,099,070,385.09
  5. Step 5: Solve for x
    x = 13,099,070,385.09/165,174.71
  6. Step 6: Final answer
    x = 79,304.34

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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.