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Finding the Fourth Proportional to 329,032.68, 454,067.28 and 178,129.68

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Solution

The fourth proportional to 329,032.68, 454,067.28 and 178,129.68 is: 245,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,032.68 : 454,067.28 = 178,129.68 : x
  2. Step 2: Convert to fraction form
    329,032.68/454,067.28 = 178,129.68/x
  3. Step 3: Cross multiply
    329,032.68x = 454,067.28 × 178,129.68
  4. Step 4: Simplify right side
    329,032.68x = 80,882,859,284.87
  5. Step 5: Solve for x
    x = 80,882,859,284.87/329,032.68
  6. Step 6: Final answer
    x = 245,820.14

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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.