Home / 248,414.50-342,812.82-135,238.06

Finding the Fourth Proportional to 248,414.50, 342,812.82 and 135,238.06

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Solution

The fourth proportional to 248,414.50, 342,812.82 and 135,238.06 is: 186,628.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,414.50 : 342,812.82 = 135,238.06 : x
  2. Step 2: Convert to fraction form
    248,414.50/342,812.82 = 135,238.06/x
  3. Step 3: Cross multiply
    248,414.50x = 342,812.82 × 135,238.06
  4. Step 4: Simplify right side
    248,414.50x = 46,361,340,719.93
  5. Step 5: Solve for x
    x = 46,361,340,719.93/248,414.50
  6. Step 6: Final answer
    x = 186,628.96

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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.