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Finding the Fourth Proportional to 227,489.20, 341,233.80 and 156,630.40

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Solution

The fourth proportional to 227,489.20, 341,233.80 and 156,630.40 is: 234,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,489.20 : 341,233.80 = 156,630.40 : x
  2. Step 2: Convert to fraction form
    227,489.20/341,233.80 = 156,630.40/x
  3. Step 3: Cross multiply
    227,489.20x = 341,233.80 × 156,630.40
  4. Step 4: Simplify right side
    227,489.20x = 53,447,586,587.52
  5. Step 5: Solve for x
    x = 53,447,586,587.52/227,489.20
  6. Step 6: Final answer
    x = 234,945.60

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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.