Home / 247,790.24-341,981.20-147,188.64

Finding the Fourth Proportional to 247,790.24, 341,981.20 and 147,188.64

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Solution

The fourth proportional to 247,790.24, 341,981.20 and 147,188.64 is: 203,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,790.24 : 341,981.20 = 147,188.64 : x
  2. Step 2: Convert to fraction form
    247,790.24/341,981.20 = 147,188.64/x
  3. Step 3: Cross multiply
    247,790.24x = 341,981.20 × 147,188.64
  4. Step 4: Simplify right side
    247,790.24x = 50,335,747,733.57
  5. Step 5: Solve for x
    x = 50,335,747,733.57/247,790.24
  6. Step 6: Final answer
    x = 203,138.54

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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.