Home / 398,868.48-598,127.44-149,375.52

Finding the Fourth Proportional to 398,868.48, 598,127.44 and 149,375.52

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Solution

The fourth proportional to 398,868.48, 598,127.44 and 149,375.52 is: 223,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,868.48 : 598,127.44 = 149,375.52 : x
  2. Step 2: Convert to fraction form
    398,868.48/598,127.44 = 149,375.52/x
  3. Step 3: Cross multiply
    398,868.48x = 598,127.44 × 149,375.52
  4. Step 4: Simplify right side
    398,868.48x = 89,345,597,376.27
  5. Step 5: Solve for x
    x = 89,345,597,376.27/398,868.48
  6. Step 6: Final answer
    x = 223,997.64

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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.