Home / 858,125.70-1,287,188.55-227,103.30

Finding the Fourth Proportional to 858,125.70, 1,287,188.55 and 227,103.30

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Solution

The fourth proportional to 858,125.70, 1,287,188.55 and 227,103.30 is: 340,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,125.70 : 1,287,188.55 = 227,103.30 : x
  2. Step 2: Convert to fraction form
    858,125.70/1,287,188.55 = 227,103.30/x
  3. Step 3: Cross multiply
    858,125.70x = 1,287,188.55 × 227,103.30
  4. Step 4: Simplify right side
    858,125.70x = 292,324,767,427.22
  5. Step 5: Solve for x
    x = 292,324,767,427.22/858,125.70
  6. Step 6: Final answer
    x = 340,654.95

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Similar ratio
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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.