Home / 329,129.12-454,194.96-178,223.52

Finding the Fourth Proportional to 329,129.12, 454,194.96 and 178,223.52

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Solution

The fourth proportional to 329,129.12, 454,194.96 and 178,223.52 is: 245,946.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,129.12 : 454,194.96 = 178,223.52 : x
  2. Step 2: Convert to fraction form
    329,129.12/454,194.96 = 178,223.52/x
  3. Step 3: Cross multiply
    329,129.12x = 454,194.96 × 178,223.52
  4. Step 4: Simplify right side
    329,129.12x = 80,948,224,537.46
  5. Step 5: Solve for x
    x = 80,948,224,537.46/329,129.12
  6. Step 6: Final answer
    x = 245,946.71

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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.