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Finding the Fourth Proportional to 256,474.80, 384,712.20 and 244,227.60

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Solution

The fourth proportional to 256,474.80, 384,712.20 and 244,227.60 is: 366,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,474.80 : 384,712.20 = 244,227.60 : x
  2. Step 2: Convert to fraction form
    256,474.80/384,712.20 = 244,227.60/x
  3. Step 3: Cross multiply
    256,474.80x = 384,712.20 × 244,227.60
  4. Step 4: Simplify right side
    256,474.80x = 93,957,337,296.72
  5. Step 5: Solve for x
    x = 93,957,337,296.72/256,474.80
  6. Step 6: Final answer
    x = 366,341.40

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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.