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Finding the Fourth Proportional to 344,478.72, 516,717.12 and 95,160

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Solution

The fourth proportional to 344,478.72, 516,717.12 and 95,160 is: 142,739.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,478.72 : 516,717.12 = 95,160 : x
  2. Step 2: Convert to fraction form
    344,478.72/516,717.12 = 95,160/x
  3. Step 3: Cross multiply
    344,478.72x = 516,717.12 × 95,160
  4. Step 4: Simplify right side
    344,478.72x = 49,170,801,139.20
  5. Step 5: Solve for x
    x = 49,170,801,139.20/344,478.72
  6. Step 6: Final answer
    x = 142,739.73

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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.