Home / 247,680.64-341,803.24-140,247.76

Finding the Fourth Proportional to 247,680.64, 341,803.24 and 140,247.76

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Solution

The fourth proportional to 247,680.64, 341,803.24 and 140,247.76 is: 193,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,680.64 : 341,803.24 = 140,247.76 : x
  2. Step 2: Convert to fraction form
    247,680.64/341,803.24 = 140,247.76/x
  3. Step 3: Cross multiply
    247,680.64x = 341,803.24 × 140,247.76
  4. Step 4: Simplify right side
    247,680.64x = 47,937,138,770.74
  5. Step 5: Solve for x
    x = 47,937,138,770.74/247,680.64
  6. Step 6: Final answer
    x = 193,544.15

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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.