Home / 311,631.24-467,167.14-111,905.40

Finding the Fourth Proportional to 311,631.24, 467,167.14 and 111,905.40

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Solution

The fourth proportional to 311,631.24, 467,167.14 and 111,905.40 is: 167,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,631.24 : 467,167.14 = 111,905.40 : x
  2. Step 2: Convert to fraction form
    311,631.24/467,167.14 = 111,905.40/x
  3. Step 3: Cross multiply
    311,631.24x = 467,167.14 × 111,905.40
  4. Step 4: Simplify right side
    311,631.24x = 52,278,525,668.56
  5. Step 5: Solve for x
    x = 52,278,525,668.56/311,631.24
  6. Step 6: Final answer
    x = 167,757.65

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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.