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Finding the Fourth Proportional to 275,238.93, 412,759.33 and 95,275.46

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Solution

The fourth proportional to 275,238.93, 412,759.33 and 95,275.46 is: 142,878.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,238.93 : 412,759.33 = 95,275.46 : x
  2. Step 2: Convert to fraction form
    275,238.93/412,759.33 = 95,275.46/x
  3. Step 3: Cross multiply
    275,238.93x = 412,759.33 × 95,275.46
  4. Step 4: Simplify right side
    275,238.93x = 39,325,835,035.04
  5. Step 5: Solve for x
    x = 39,325,835,035.04/275,238.93
  6. Step 6: Final answer
    x = 142,878.90

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1.5x scale

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.