Home / 311,109.55-466,761.20-111,431.66

Finding the Fourth Proportional to 311,109.55, 466,761.20 and 111,431.66

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Solution

The fourth proportional to 311,109.55, 466,761.20 and 111,431.66 is: 167,182.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,109.55 : 466,761.20 = 111,431.66 : x
  2. Step 2: Convert to fraction form
    311,109.55/466,761.20 = 111,431.66/x
  3. Step 3: Cross multiply
    311,109.55x = 466,761.20 × 111,431.66
  4. Step 4: Simplify right side
    311,109.55x = 52,011,972,448.63
  5. Step 5: Solve for x
    x = 52,011,972,448.63/311,109.55
  6. Step 6: Final answer
    x = 167,182.18

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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.