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Finding the Fourth Proportional to 247,752.40, 342,040.20 and 163,115.52

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Solution

The fourth proportional to 247,752.40, 342,040.20 and 163,115.52 is: 225,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,752.40 : 342,040.20 = 163,115.52 : x
  2. Step 2: Convert to fraction form
    247,752.40/342,040.20 = 163,115.52/x
  3. Step 3: Cross multiply
    247,752.40x = 342,040.20 × 163,115.52
  4. Step 4: Simplify right side
    247,752.40x = 55,792,065,083.90
  5. Step 5: Solve for x
    x = 55,792,065,083.90/247,752.40
  6. Step 6: Final answer
    x = 225,192.83

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1.5x scale

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.