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Finding the Fourth Proportional to 311,010.40, 466,515.60 and 111,337.30

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Solution

The fourth proportional to 311,010.40, 466,515.60 and 111,337.30 is: 167,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,010.40 : 466,515.60 = 111,337.30 : x
  2. Step 2: Convert to fraction form
    311,010.40/466,515.60 = 111,337.30/x
  3. Step 3: Cross multiply
    311,010.40x = 466,515.60 × 111,337.30
  4. Step 4: Simplify right side
    311,010.40x = 51,940,587,311.88
  5. Step 5: Solve for x
    x = 51,940,587,311.88/311,010.40
  6. Step 6: Final answer
    x = 167,005.95

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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.