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Finding the Fourth Proportional to 272,280.92, 408,440.88 and 72,600.26

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Solution

The fourth proportional to 272,280.92, 408,440.88 and 72,600.26 is: 108,905.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,280.92 : 408,440.88 = 72,600.26 : x
  2. Step 2: Convert to fraction form
    272,280.92/408,440.88 = 72,600.26/x
  3. Step 3: Cross multiply
    272,280.92x = 408,440.88 × 72,600.26
  4. Step 4: Simplify right side
    272,280.92x = 29,652,912,040.42
  5. Step 5: Solve for x
    x = 29,652,912,040.42/272,280.92
  6. Step 6: Final answer
    x = 108,905.58

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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.