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Finding the Fourth Proportional to 296,002.08, 408,531.11 and 220,025.70

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Solution

The fourth proportional to 296,002.08, 408,531.11 and 220,025.70 is: 303,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,002.08 : 408,531.11 = 220,025.70 : x
  2. Step 2: Convert to fraction form
    296,002.08/408,531.11 = 220,025.70/x
  3. Step 3: Cross multiply
    296,002.08x = 408,531.11 × 220,025.70
  4. Step 4: Simplify right side
    296,002.08x = 89,887,343,449.53
  5. Step 5: Solve for x
    x = 89,887,343,449.53/296,002.08
  6. Step 6: Final answer
    x = 303,671.32

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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.