Home / 219,725.60-329,977.20-169,926.80

Finding the Fourth Proportional to 219,725.60, 329,977.20 and 169,926.80

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Solution

The fourth proportional to 219,725.60, 329,977.20 and 169,926.80 is: 255,190.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,725.60 : 329,977.20 = 169,926.80 : x
  2. Step 2: Convert to fraction form
    219,725.60/329,977.20 = 169,926.80/x
  3. Step 3: Cross multiply
    219,725.60x = 329,977.20 × 169,926.80
  4. Step 4: Simplify right side
    219,725.60x = 56,071,969,668.96
  5. Step 5: Solve for x
    x = 56,071,969,668.96/219,725.60
  6. Step 6: Final answer
    x = 255,190.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.