Home / 311,922.40-467,576.40-154,175.20

Finding the Fourth Proportional to 311,922.40, 467,576.40 and 154,175.20

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Solution

The fourth proportional to 311,922.40, 467,576.40 and 154,175.20 is: 231,110.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,922.40 : 467,576.40 = 154,175.20 : x
  2. Step 2: Convert to fraction form
    311,922.40/467,576.40 = 154,175.20/x
  3. Step 3: Cross multiply
    311,922.40x = 467,576.40 × 154,175.20
  4. Step 4: Simplify right side
    311,922.40x = 72,088,684,985.28
  5. Step 5: Solve for x
    x = 72,088,684,985.28/311,922.40
  6. Step 6: Final answer
    x = 231,110.96

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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.