Home / 329,824.92-455,159.27-178,921.92

Finding the Fourth Proportional to 329,824.92, 455,159.27 and 178,921.92

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Solution

The fourth proportional to 329,824.92, 455,159.27 and 178,921.92 is: 246,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,824.92 : 455,159.27 = 178,921.92 : x
  2. Step 2: Convert to fraction form
    329,824.92/455,159.27 = 178,921.92/x
  3. Step 3: Cross multiply
    329,824.92x = 455,159.27 × 178,921.92
  4. Step 4: Simplify right side
    329,824.92x = 81,437,971,632.10
  5. Step 5: Solve for x
    x = 81,437,971,632.10/329,824.92
  6. Step 6: Final answer
    x = 246,912.73

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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.