Home / 311,975.10-467,962.65-154,227.90

Finding the Fourth Proportional to 311,975.10, 467,962.65 and 154,227.90

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Solution

The fourth proportional to 311,975.10, 467,962.65 and 154,227.90 is: 231,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,975.10 : 467,962.65 = 154,227.90 : x
  2. Step 2: Convert to fraction form
    311,975.10/467,962.65 = 154,227.90/x
  3. Step 3: Cross multiply
    311,975.10x = 467,962.65 × 154,227.90
  4. Step 4: Simplify right side
    311,975.10x = 72,172,896,787.94
  5. Step 5: Solve for x
    x = 72,172,896,787.94/311,975.10
  6. Step 6: Final answer
    x = 231,341.85

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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.