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Finding the Fourth Proportional to 535,201.60, 802,910.40 and 156,121.60

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Solution

The fourth proportional to 535,201.60, 802,910.40 and 156,121.60 is: 234,213.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,201.60 : 802,910.40 = 156,121.60 : x
  2. Step 2: Convert to fraction form
    535,201.60/802,910.40 = 156,121.60/x
  3. Step 3: Cross multiply
    535,201.60x = 802,910.40 × 156,121.60
  4. Step 4: Simplify right side
    535,201.60x = 125,351,656,304.64
  5. Step 5: Solve for x
    x = 125,351,656,304.64/535,201.60
  6. Step 6: Final answer
    x = 234,213.90

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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.