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Finding the Fourth Proportional to 311,156.28, 466,770.51 and 108,689.69

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Solution

The fourth proportional to 311,156.28, 466,770.51 and 108,689.69 is: 163,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,156.28 : 466,770.51 = 108,689.69 : x
  2. Step 2: Convert to fraction form
    311,156.28/466,770.51 = 108,689.69/x
  3. Step 3: Cross multiply
    311,156.28x = 466,770.51 × 108,689.69
  4. Step 4: Simplify right side
    311,156.28x = 50,733,142,033.04
  5. Step 5: Solve for x
    x = 50,733,142,033.04/311,156.28
  6. Step 6: Final answer
    x = 163,047.14

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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.