Home / 329,979.13-455,371.20-179,076.13

Finding the Fourth Proportional to 329,979.13, 455,371.20 and 179,076.13

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Solution

The fourth proportional to 329,979.13, 455,371.20 and 179,076.13 is: 247,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,979.13 : 455,371.20 = 179,076.13 : x
  2. Step 2: Convert to fraction form
    329,979.13/455,371.20 = 179,076.13/x
  3. Step 3: Cross multiply
    329,979.13x = 455,371.20 × 179,076.13
  4. Step 4: Simplify right side
    329,979.13x = 81,546,111,711.39
  5. Step 5: Solve for x
    x = 81,546,111,711.39/329,979.13
  6. Step 6: Final answer
    x = 247,125.06

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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.