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Finding the Fourth Proportional to 185,250.60, 277,948.80 and 72,911.70

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Solution

The fourth proportional to 185,250.60, 277,948.80 and 72,911.70 is: 109,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,250.60 : 277,948.80 = 72,911.70 : x
  2. Step 2: Convert to fraction form
    185,250.60/277,948.80 = 72,911.70/x
  3. Step 3: Cross multiply
    185,250.60x = 277,948.80 × 72,911.70
  4. Step 4: Simplify right side
    185,250.60x = 20,265,719,520.96
  5. Step 5: Solve for x
    x = 20,265,719,520.96/185,250.60
  6. Step 6: Final answer
    x = 109,396.24

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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.