Home / 462,972.12-694,524.71-143,148.90

Finding the Fourth Proportional to 462,972.12, 694,524.71 and 143,148.90

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Solution

The fourth proportional to 462,972.12, 694,524.71 and 143,148.90 is: 214,743.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,972.12 : 694,524.71 = 143,148.90 : x
  2. Step 2: Convert to fraction form
    462,972.12/694,524.71 = 143,148.90/x
  3. Step 3: Cross multiply
    462,972.12x = 694,524.71 × 143,148.90
  4. Step 4: Simplify right side
    462,972.12x = 99,420,447,543.57
  5. Step 5: Solve for x
    x = 99,420,447,543.57/462,972.12
  6. Step 6: Final answer
    x = 214,743.92

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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.