Home / 311,226.78-466,849.76-121,679.58

Finding the Fourth Proportional to 311,226.78, 466,849.76 and 121,679.58

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Solution

The fourth proportional to 311,226.78, 466,849.76 and 121,679.58 is: 182,523.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,226.78 : 466,849.76 = 121,679.58 : x
  2. Step 2: Convert to fraction form
    311,226.78/466,849.76 = 121,679.58/x
  3. Step 3: Cross multiply
    311,226.78x = 466,849.76 × 121,679.58
  4. Step 4: Simplify right side
    311,226.78x = 56,806,082,719.90
  5. Step 5: Solve for x
    x = 56,806,082,719.90/311,226.78
  6. Step 6: Final answer
    x = 182,523.12

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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.