Home / 311,454.72-467,208-187,583.04

Finding the Fourth Proportional to 311,454.72, 467,208 and 187,583.04

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Solution

The fourth proportional to 311,454.72, 467,208 and 187,583.04 is: 281,390.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,454.72 : 467,208 = 187,583.04 : x
  2. Step 2: Convert to fraction form
    311,454.72/467,208 = 187,583.04/x
  3. Step 3: Cross multiply
    311,454.72x = 467,208 × 187,583.04
  4. Step 4: Simplify right side
    311,454.72x = 87,640,296,952.32
  5. Step 5: Solve for x
    x = 87,640,296,952.32/311,454.72
  6. Step 6: Final answer
    x = 281,390.17

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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.