Home / 398,845.32-598,092.80-149,352.36

Finding the Fourth Proportional to 398,845.32, 598,092.80 and 149,352.36

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Solution

The fourth proportional to 398,845.32, 598,092.80 and 149,352.36 is: 223,962.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,845.32 : 598,092.80 = 149,352.36 : x
  2. Step 2: Convert to fraction form
    398,845.32/598,092.80 = 149,352.36/x
  3. Step 3: Cross multiply
    398,845.32x = 598,092.80 × 149,352.36
  4. Step 4: Simplify right side
    398,845.32x = 89,326,571,179.01
  5. Step 5: Solve for x
    x = 89,326,571,179.01/398,845.32
  6. Step 6: Final answer
    x = 223,962.94

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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.