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Finding the Fourth Proportional to 425,348.04, 639,193.92 and 225,817.92

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Solution

The fourth proportional to 425,348.04, 639,193.92 and 225,817.92 is: 339,349.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,348.04 : 639,193.92 = 225,817.92 : x
  2. Step 2: Convert to fraction form
    425,348.04/639,193.92 = 225,817.92/x
  3. Step 3: Cross multiply
    425,348.04x = 639,193.92 × 225,817.92
  4. Step 4: Simplify right side
    425,348.04x = 144,341,441,491.05
  5. Step 5: Solve for x
    x = 144,341,441,491.05/425,348.04
  6. Step 6: Final answer
    x = 339,349.02

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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.