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Finding the Fourth Proportional to 472,360.25, 708,540.89 and 117,374.27

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Solution

The fourth proportional to 472,360.25, 708,540.89 and 117,374.27 is: 176,061.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,360.25 : 708,540.89 = 117,374.27 : x
  2. Step 2: Convert to fraction form
    472,360.25/708,540.89 = 117,374.27/x
  3. Step 3: Cross multiply
    472,360.25x = 708,540.89 × 117,374.27
  4. Step 4: Simplify right side
    472,360.25x = 83,164,469,142.03
  5. Step 5: Solve for x
    x = 83,164,469,142.03/472,360.25
  6. Step 6: Final answer
    x = 176,061.53

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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.