Home / 442,845.03-664,372.95-143,325.61

Finding the Fourth Proportional to 442,845.03, 664,372.95 and 143,325.61

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Solution

The fourth proportional to 442,845.03, 664,372.95 and 143,325.61 is: 215,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,845.03 : 664,372.95 = 143,325.61 : x
  2. Step 2: Convert to fraction form
    442,845.03/664,372.95 = 143,325.61/x
  3. Step 3: Cross multiply
    442,845.03x = 664,372.95 × 143,325.61
  4. Step 4: Simplify right side
    442,845.03x = 95,221,658,619.24
  5. Step 5: Solve for x
    x = 95,221,658,619.24/442,845.03
  6. Step 6: Final answer
    x = 215,022.53

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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.