Home / 284,724.54-427,161.06-85,044.96

Finding the Fourth Proportional to 284,724.54, 427,161.06 and 85,044.96

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Solution

The fourth proportional to 284,724.54, 427,161.06 and 85,044.96 is: 127,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,724.54 : 427,161.06 = 85,044.96 : x
  2. Step 2: Convert to fraction form
    284,724.54/427,161.06 = 85,044.96/x
  3. Step 3: Cross multiply
    284,724.54x = 427,161.06 × 85,044.96
  4. Step 4: Simplify right side
    284,724.54x = 36,327,895,261.26
  5. Step 5: Solve for x
    x = 36,327,895,261.26/284,724.54
  6. Step 6: Final answer
    x = 127,589.62

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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.