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Finding the Fourth Proportional to 408,025.53, 563,081.08 and 224,281.11

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Solution

The fourth proportional to 408,025.53, 563,081.08 and 224,281.11 is: 309,511.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,025.53 : 563,081.08 = 224,281.11 : x
  2. Step 2: Convert to fraction form
    408,025.53/563,081.08 = 224,281.11/x
  3. Step 3: Cross multiply
    408,025.53x = 563,081.08 × 224,281.11
  4. Step 4: Simplify right side
    408,025.53x = 126,288,449,642.40
  5. Step 5: Solve for x
    x = 126,288,449,642.40/408,025.53
  6. Step 6: Final answer
    x = 309,511.15

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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.