Home / 243,919.85-336,600.92-135,028.91

Finding the Fourth Proportional to 243,919.85, 336,600.92 and 135,028.91

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Solution

The fourth proportional to 243,919.85, 336,600.92 and 135,028.91 is: 186,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,919.85 : 336,600.92 = 135,028.91 : x
  2. Step 2: Convert to fraction form
    243,919.85/336,600.92 = 135,028.91/x
  3. Step 3: Cross multiply
    243,919.85x = 336,600.92 × 135,028.91
  4. Step 4: Simplify right side
    243,919.85x = 45,450,852,974.45
  5. Step 5: Solve for x
    x = 45,450,852,974.45/243,919.85
  6. Step 6: Final answer
    x = 186,335.20

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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.