Home / 256,945.06-385,321.82-88,418.26

Finding the Fourth Proportional to 256,945.06, 385,321.82 and 88,418.26

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Solution

The fourth proportional to 256,945.06, 385,321.82 and 88,418.26 is: 132,594.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,945.06 : 385,321.82 = 88,418.26 : x
  2. Step 2: Convert to fraction form
    256,945.06/385,321.82 = 88,418.26/x
  3. Step 3: Cross multiply
    256,945.06x = 385,321.82 × 88,418.26
  4. Step 4: Simplify right side
    256,945.06x = 34,069,483,158.87
  5. Step 5: Solve for x
    x = 34,069,483,158.87/256,945.06
  6. Step 6: Final answer
    x = 132,594.43

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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.