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Finding the Fourth Proportional to 658,273.92, 987,410.88 and 231,709.29

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Solution

The fourth proportional to 658,273.92, 987,410.88 and 231,709.29 is: 347,563.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,273.92 : 987,410.88 = 231,709.29 : x
  2. Step 2: Convert to fraction form
    658,273.92/987,410.88 = 231,709.29/x
  3. Step 3: Cross multiply
    658,273.92x = 987,410.88 × 231,709.29
  4. Step 4: Simplify right side
    658,273.92x = 228,792,273,943.08
  5. Step 5: Solve for x
    x = 228,792,273,943.08/658,273.92
  6. Step 6: Final answer
    x = 347,563.94

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Similar ratio
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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.