Home / 256,822.20-385,233.30-250,261.20

Finding the Fourth Proportional to 256,822.20, 385,233.30 and 250,261.20

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Solution

The fourth proportional to 256,822.20, 385,233.30 and 250,261.20 is: 375,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,822.20 : 385,233.30 = 250,261.20 : x
  2. Step 2: Convert to fraction form
    256,822.20/385,233.30 = 250,261.20/x
  3. Step 3: Cross multiply
    256,822.20x = 385,233.30 × 250,261.20
  4. Step 4: Simplify right side
    256,822.20x = 96,408,947,937.96
  5. Step 5: Solve for x
    x = 96,408,947,937.96/256,822.20
  6. Step 6: Final answer
    x = 375,391.80

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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.