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Finding the Fourth Proportional to 145,000.10, 217,500.15 and 133,627.70

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Solution

The fourth proportional to 145,000.10, 217,500.15 and 133,627.70 is: 200,441.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,000.10 : 217,500.15 = 133,627.70 : x
  2. Step 2: Convert to fraction form
    145,000.10/217,500.15 = 133,627.70/x
  3. Step 3: Cross multiply
    145,000.10x = 217,500.15 × 133,627.70
  4. Step 4: Simplify right side
    145,000.10x = 29,064,044,794.16
  5. Step 5: Solve for x
    x = 29,064,044,794.16/145,000.10
  6. Step 6: Final answer
    x = 200,441.55

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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.