Home / 261,065.25-391,598.17-71,527.26

Finding the Fourth Proportional to 261,065.25, 391,598.17 and 71,527.26

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Solution

The fourth proportional to 261,065.25, 391,598.17 and 71,527.26 is: 107,290.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,065.25 : 391,598.17 = 71,527.26 : x
  2. Step 2: Convert to fraction form
    261,065.25/391,598.17 = 71,527.26/x
  3. Step 3: Cross multiply
    261,065.25x = 391,598.17 × 71,527.26
  4. Step 4: Simplify right side
    261,065.25x = 28,009,944,121.11
  5. Step 5: Solve for x
    x = 28,009,944,121.11/261,065.25
  6. Step 6: Final answer
    x = 107,290.97

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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.