Home / 247,713.31-341,845.03-145,742.61

Finding the Fourth Proportional to 247,713.31, 341,845.03 and 145,742.61

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Solution

The fourth proportional to 247,713.31, 341,845.03 and 145,742.61 is: 201,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,713.31 : 341,845.03 = 145,742.61 : x
  2. Step 2: Convert to fraction form
    247,713.31/341,845.03 = 145,742.61/x
  3. Step 3: Cross multiply
    247,713.31x = 341,845.03 × 145,742.61
  4. Step 4: Simplify right side
    247,713.31x = 49,821,388,351.83
  5. Step 5: Solve for x
    x = 49,821,388,351.83/247,713.31
  6. Step 6: Final answer
    x = 201,125.20

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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.