Home / 498,329.20-747,467.68-143,329.29

Finding the Fourth Proportional to 498,329.20, 747,467.68 and 143,329.29

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Solution

The fourth proportional to 498,329.20, 747,467.68 and 143,329.29 is: 214,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,329.20 : 747,467.68 = 143,329.29 : x
  2. Step 2: Convert to fraction form
    498,329.20/747,467.68 = 143,329.29/x
  3. Step 3: Cross multiply
    498,329.20x = 747,467.68 × 143,329.29
  4. Step 4: Simplify right side
    498,329.20x = 107,134,011,872.35
  5. Step 5: Solve for x
    x = 107,134,011,872.35/498,329.20
  6. Step 6: Final answer
    x = 214,986.42

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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.