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Finding the Fourth Proportional to 469,330.85, 703,960.88 and 149,469.80

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Solution

The fourth proportional to 469,330.85, 703,960.88 and 149,469.80 is: 224,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,330.85 : 703,960.88 = 149,469.80 : x
  2. Step 2: Convert to fraction form
    469,330.85/703,960.88 = 149,469.80/x
  3. Step 3: Cross multiply
    469,330.85x = 703,960.88 × 149,469.80
  4. Step 4: Simplify right side
    469,330.85x = 105,220,890,555.20
  5. Step 5: Solve for x
    x = 105,220,890,555.20/469,330.85
  6. Step 6: Final answer
    x = 224,193.42

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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.