Home / 309,527.28-464,422.16-169,121.88

Finding the Fourth Proportional to 309,527.28, 464,422.16 and 169,121.88

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Solution

The fourth proportional to 309,527.28, 464,422.16 and 169,121.88 is: 253,754.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,527.28 : 464,422.16 = 169,121.88 : x
  2. Step 2: Convert to fraction form
    309,527.28/464,422.16 = 169,121.88/x
  3. Step 3: Cross multiply
    309,527.28x = 464,422.16 × 169,121.88
  4. Step 4: Simplify right side
    309,527.28x = 78,543,948,812.86
  5. Step 5: Solve for x
    x = 78,543,948,812.86/309,527.28
  6. Step 6: Final answer
    x = 253,754.53

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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.