Home / 247,724.32-342,001.20-163,087.42

Finding the Fourth Proportional to 247,724.32, 342,001.20 and 163,087.42

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Solution

The fourth proportional to 247,724.32, 342,001.20 and 163,087.42 is: 225,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,724.32 : 342,001.20 = 163,087.42 : x
  2. Step 2: Convert to fraction form
    247,724.32/342,001.20 = 163,087.42/x
  3. Step 3: Cross multiply
    247,724.32x = 342,001.20 × 163,087.42
  4. Step 4: Simplify right side
    247,724.32x = 55,776,093,344.90
  5. Step 5: Solve for x
    x = 55,776,093,344.90/247,724.32
  6. Step 6: Final answer
    x = 225,153.89

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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.