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Finding the Fourth Proportional to 425,393.22, 637,488.39 and 235,937.04

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Solution

The fourth proportional to 425,393.22, 637,488.39 and 235,937.04 is: 353,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,393.22 : 637,488.39 = 235,937.04 : x
  2. Step 2: Convert to fraction form
    425,393.22/637,488.39 = 235,937.04/x
  3. Step 3: Cross multiply
    425,393.22x = 637,488.39 × 235,937.04
  4. Step 4: Simplify right side
    425,393.22x = 150,407,123,770.97
  5. Step 5: Solve for x
    x = 150,407,123,770.97/425,393.22
  6. Step 6: Final answer
    x = 353,571.98

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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.