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Finding the Fourth Proportional to 254,147.67, 350,765.87 and 141,006.87

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Solution

The fourth proportional to 254,147.67, 350,765.87 and 141,006.87 is: 194,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,147.67 : 350,765.87 = 141,006.87 : x
  2. Step 2: Convert to fraction form
    254,147.67/350,765.87 = 141,006.87/x
  3. Step 3: Cross multiply
    254,147.67x = 350,765.87 × 141,006.87
  4. Step 4: Simplify right side
    254,147.67x = 49,460,396,726.49
  5. Step 5: Solve for x
    x = 49,460,396,726.49/254,147.67
  6. Step 6: Final answer
    x = 194,612.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.