Home / 442,849.04-664,378.94-143,329.62

Finding the Fourth Proportional to 442,849.04, 664,378.94 and 143,329.62

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Solution

The fourth proportional to 442,849.04, 664,378.94 and 143,329.62 is: 215,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,849.04 : 664,378.94 = 143,329.62 : x
  2. Step 2: Convert to fraction form
    442,849.04/664,378.94 = 143,329.62/x
  3. Step 3: Cross multiply
    442,849.04x = 664,378.94 × 143,329.62
  4. Step 4: Simplify right side
    442,849.04x = 95,225,181,006.20
  5. Step 5: Solve for x
    x = 95,225,181,006.20/442,849.04
  6. Step 6: Final answer
    x = 215,028.54

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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.