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Finding the Fourth Proportional to 151,630.80, 227,446.20 and 72,704.40

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Solution

The fourth proportional to 151,630.80, 227,446.20 and 72,704.40 is: 109,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,630.80 : 227,446.20 = 72,704.40 : x
  2. Step 2: Convert to fraction form
    151,630.80/227,446.20 = 72,704.40/x
  3. Step 3: Cross multiply
    151,630.80x = 227,446.20 × 72,704.40
  4. Step 4: Simplify right side
    151,630.80x = 16,536,339,503.28
  5. Step 5: Solve for x
    x = 16,536,339,503.28/151,630.80
  6. Step 6: Final answer
    x = 109,056.60

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1.5x scale

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.