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Finding the Fourth Proportional to 308,666.60, 463,183.98 and 137,874.92

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Solution

The fourth proportional to 308,666.60, 463,183.98 and 137,874.92 is: 206,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,666.60 : 463,183.98 = 137,874.92 : x
  2. Step 2: Convert to fraction form
    308,666.60/463,183.98 = 137,874.92/x
  3. Step 3: Cross multiply
    308,666.60x = 463,183.98 × 137,874.92
  4. Step 4: Simplify right side
    308,666.60x = 63,861,454,187.78
  5. Step 5: Solve for x
    x = 63,861,454,187.78/308,666.60
  6. Step 6: Final answer
    x = 206,894.60

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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.