Home / 462,972.20-694,524.83-143,149.01

Finding the Fourth Proportional to 462,972.20, 694,524.83 and 143,149.01

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Solution

The fourth proportional to 462,972.20, 694,524.83 and 143,149.01 is: 214,744.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,972.20 : 694,524.83 = 143,149.01 : x
  2. Step 2: Convert to fraction form
    462,972.20/694,524.83 = 143,149.01/x
  3. Step 3: Cross multiply
    462,972.20x = 694,524.83 × 143,149.01
  4. Step 4: Simplify right side
    462,972.20x = 99,420,537,646.55
  5. Step 5: Solve for x
    x = 99,420,537,646.55/462,972.20
  6. Step 6: Final answer
    x = 214,744.08

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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.