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Finding the Fourth Proportional to 311,183.10, 429,527.88 and 182,151.76

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Solution

The fourth proportional to 311,183.10, 429,527.88 and 182,151.76 is: 251,425.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,183.10 : 429,527.88 = 182,151.76 : x
  2. Step 2: Convert to fraction form
    311,183.10/429,527.88 = 182,151.76/x
  3. Step 3: Cross multiply
    311,183.10x = 429,527.88 × 182,151.76
  4. Step 4: Simplify right side
    311,183.10x = 78,239,259,311.07
  5. Step 5: Solve for x
    x = 78,239,259,311.07/311,183.10
  6. Step 6: Final answer
    x = 251,425.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.