Home / 356,260.76-491,645.40-195,112.88

Finding the Fourth Proportional to 356,260.76, 491,645.40 and 195,112.88

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Solution

The fourth proportional to 356,260.76, 491,645.40 and 195,112.88 is: 269,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,260.76 : 491,645.40 = 195,112.88 : x
  2. Step 2: Convert to fraction form
    356,260.76/491,645.40 = 195,112.88/x
  3. Step 3: Cross multiply
    356,260.76x = 491,645.40 × 195,112.88
  4. Step 4: Simplify right side
    356,260.76x = 95,926,349,932.75
  5. Step 5: Solve for x
    x = 95,926,349,932.75/356,260.76
  6. Step 6: Final answer
    x = 269,258.81

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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.