Home / 238,947.40-358,470.11-199,778.23

Finding the Fourth Proportional to 238,947.40, 358,470.11 and 199,778.23

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Solution

The fourth proportional to 238,947.40, 358,470.11 and 199,778.23 is: 299,708.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,947.40 : 358,470.11 = 199,778.23 : x
  2. Step 2: Convert to fraction form
    238,947.40/358,470.11 = 199,778.23/x
  3. Step 3: Cross multiply
    238,947.40x = 358,470.11 × 199,778.23
  4. Step 4: Simplify right side
    238,947.40x = 71,614,524,083.71
  5. Step 5: Solve for x
    x = 71,614,524,083.71/238,947.40
  6. Step 6: Final answer
    x = 299,708.32

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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.