Home / 247,711.38-341,946.09-167,247.78

Finding the Fourth Proportional to 247,711.38, 341,946.09 and 167,247.78

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Solution

The fourth proportional to 247,711.38, 341,946.09 and 167,247.78 is: 230,872.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,711.38 : 341,946.09 = 167,247.78 : x
  2. Step 2: Convert to fraction form
    247,711.38/341,946.09 = 167,247.78/x
  3. Step 3: Cross multiply
    247,711.38x = 341,946.09 × 167,247.78
  4. Step 4: Simplify right side
    247,711.38x = 57,189,724,432.18
  5. Step 5: Solve for x
    x = 57,189,724,432.18/247,711.38
  6. Step 6: Final answer
    x = 230,872.41

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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.