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Finding the Fourth Proportional to 649,497.40, 974,073.30 and 200,217.40

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Solution

The fourth proportional to 649,497.40, 974,073.30 and 200,217.40 is: 300,272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,497.40 : 974,073.30 = 200,217.40 : x
  2. Step 2: Convert to fraction form
    649,497.40/974,073.30 = 200,217.40/x
  3. Step 3: Cross multiply
    649,497.40x = 974,073.30 × 200,217.40
  4. Step 4: Simplify right side
    649,497.40x = 195,026,423,535.42
  5. Step 5: Solve for x
    x = 195,026,423,535.42/649,497.40
  6. Step 6: Final answer
    x = 300,272.83

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Double scale
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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.