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Finding the Fourth Proportional to 649,373.97, 974,204.71 and 222,900.24

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Solution

The fourth proportional to 649,373.97, 974,204.71 and 222,900.24 is: 334,399.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,373.97 : 974,204.71 = 222,900.24 : x
  2. Step 2: Convert to fraction form
    649,373.97/974,204.71 = 222,900.24/x
  3. Step 3: Cross multiply
    649,373.97x = 974,204.71 × 222,900.24
  4. Step 4: Simplify right side
    649,373.97x = 217,150,466,764.15
  5. Step 5: Solve for x
    x = 217,150,466,764.15/649,373.97
  6. Step 6: Final answer
    x = 334,399.71

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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.