Home / 306,215.24-422,576.60-170,244.86

Finding the Fourth Proportional to 306,215.24, 422,576.60 and 170,244.86

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Solution

The fourth proportional to 306,215.24, 422,576.60 and 170,244.86 is: 234,937.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,215.24 : 422,576.60 = 170,244.86 : x
  2. Step 2: Convert to fraction form
    306,215.24/422,576.60 = 170,244.86/x
  3. Step 3: Cross multiply
    306,215.24x = 422,576.60 × 170,244.86
  4. Step 4: Simplify right side
    306,215.24x = 71,941,491,142.17
  5. Step 5: Solve for x
    x = 71,941,491,142.17/306,215.24
  6. Step 6: Final answer
    x = 234,937.66

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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.