Home / 260,581.38-390,363.02-179,514.11

Finding the Fourth Proportional to 260,581.38, 390,363.02 and 179,514.11

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Solution

The fourth proportional to 260,581.38, 390,363.02 and 179,514.11 is: 268,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,581.38 : 390,363.02 = 179,514.11 : x
  2. Step 2: Convert to fraction form
    260,581.38/390,363.02 = 179,514.11/x
  3. Step 3: Cross multiply
    260,581.38x = 390,363.02 × 179,514.11
  4. Step 4: Simplify right side
    260,581.38x = 70,075,667,711.61
  5. Step 5: Solve for x
    x = 70,075,667,711.61/260,581.38
  6. Step 6: Final answer
    x = 268,920.47

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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.