Home / 221,956.24-306,299.88-126,462.64

Finding the Fourth Proportional to 221,956.24, 306,299.88 and 126,462.64

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Solution

The fourth proportional to 221,956.24, 306,299.88 and 126,462.64 is: 174,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,956.24 : 306,299.88 = 126,462.64 : x
  2. Step 2: Convert to fraction form
    221,956.24/306,299.88 = 126,462.64/x
  3. Step 3: Cross multiply
    221,956.24x = 306,299.88 × 126,462.64
  4. Step 4: Simplify right side
    221,956.24x = 38,735,491,456.48
  5. Step 5: Solve for x
    x = 38,735,491,456.48/221,956.24
  6. Step 6: Final answer
    x = 174,518.60

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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.