Home / 311,982.10-467,973.15-154,234.90

Finding the Fourth Proportional to 311,982.10, 467,973.15 and 154,234.90

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Solution

The fourth proportional to 311,982.10, 467,973.15 and 154,234.90 is: 231,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,982.10 : 467,973.15 = 154,234.90 : x
  2. Step 2: Convert to fraction form
    311,982.10/467,973.15 = 154,234.90/x
  3. Step 3: Cross multiply
    311,982.10x = 467,973.15 × 154,234.90
  4. Step 4: Simplify right side
    311,982.10x = 72,177,791,992.94
  5. Step 5: Solve for x
    x = 72,177,791,992.94/311,982.10
  6. Step 6: Final answer
    x = 231,352.35

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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.