Home / 260,769.24-391,134.42-83,295

Finding the Fourth Proportional to 260,769.24, 391,134.42 and 83,295

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Solution

The fourth proportional to 260,769.24, 391,134.42 and 83,295 is: 124,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,769.24 : 391,134.42 = 83,295 : x
  2. Step 2: Convert to fraction form
    260,769.24/391,134.42 = 83,295/x
  3. Step 3: Cross multiply
    260,769.24x = 391,134.42 × 83,295
  4. Step 4: Simplify right side
    260,769.24x = 32,579,541,513.90
  5. Step 5: Solve for x
    x = 32,579,541,513.90/260,769.24
  6. Step 6: Final answer
    x = 124,936.29

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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.