Home / 227,867.19-341,842.31-78,122.63

Finding the Fourth Proportional to 227,867.19, 341,842.31 and 78,122.63

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Solution

The fourth proportional to 227,867.19, 341,842.31 and 78,122.63 is: 117,198.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,867.19 : 341,842.31 = 78,122.63 : x
  2. Step 2: Convert to fraction form
    227,867.19/341,842.31 = 78,122.63/x
  3. Step 3: Cross multiply
    227,867.19x = 341,842.31 × 78,122.63
  4. Step 4: Simplify right side
    227,867.19x = 26,705,618,202.65
  5. Step 5: Solve for x
    x = 26,705,618,202.65/227,867.19
  6. Step 6: Final answer
    x = 117,198.17

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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.