Home / 227,454.40-313,901.78-131,993.20

Finding the Fourth Proportional to 227,454.40, 313,901.78 and 131,993.20

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Solution

The fourth proportional to 227,454.40, 313,901.78 and 131,993.20 is: 182,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,454.40 : 313,901.78 = 131,993.20 : x
  2. Step 2: Convert to fraction form
    227,454.40/313,901.78 = 131,993.20/x
  3. Step 3: Cross multiply
    227,454.40x = 313,901.78 × 131,993.20
  4. Step 4: Simplify right side
    227,454.40x = 41,432,900,427.90
  5. Step 5: Solve for x
    x = 41,432,900,427.90/227,454.40
  6. Step 6: Final answer
    x = 182,159.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.