Home / 398,844.41-598,136.60-132,533.42

Finding the Fourth Proportional to 398,844.41, 598,136.60 and 132,533.42

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Solution

The fourth proportional to 398,844.41, 598,136.60 and 132,533.42 is: 198,756.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,844.41 : 598,136.60 = 132,533.42 : x
  2. Step 2: Convert to fraction form
    398,844.41/598,136.60 = 132,533.42/x
  3. Step 3: Cross multiply
    398,844.41x = 598,136.60 × 132,533.42
  4. Step 4: Simplify right side
    398,844.41x = 79,273,086,565.82
  5. Step 5: Solve for x
    x = 79,273,086,565.82/398,844.41
  6. Step 6: Final answer
    x = 198,756.92

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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.