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Finding the Fourth Proportional to 296,432.33, 408,800.25 and 274,414.68

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Solution

The fourth proportional to 296,432.33, 408,800.25 and 274,414.68 is: 378,436.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,432.33 : 408,800.25 = 274,414.68 : x
  2. Step 2: Convert to fraction form
    296,432.33/408,800.25 = 274,414.68/x
  3. Step 3: Cross multiply
    296,432.33x = 408,800.25 × 274,414.68
  4. Step 4: Simplify right side
    296,432.33x = 112,180,789,787.67
  5. Step 5: Solve for x
    x = 112,180,789,787.67/296,432.33
  6. Step 6: Final answer
    x = 378,436.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.