Home / 442,929.53-664,499.87-143,410.19

Finding the Fourth Proportional to 442,929.53, 664,499.87 and 143,410.19

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Solution

The fourth proportional to 442,929.53, 664,499.87 and 143,410.19 is: 215,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,929.53 : 664,499.87 = 143,410.19 : x
  2. Step 2: Convert to fraction form
    442,929.53/664,499.87 = 143,410.19/x
  3. Step 3: Cross multiply
    442,929.53x = 664,499.87 × 143,410.19
  4. Step 4: Simplify right side
    442,929.53x = 95,296,048,572.13
  5. Step 5: Solve for x
    x = 95,296,048,572.13/442,929.53
  6. Step 6: Final answer
    x = 215,149.46

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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.