Home / 329,939.13-455,317.21-179,036.13

Finding the Fourth Proportional to 329,939.13, 455,317.21 and 179,036.13

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Solution

The fourth proportional to 329,939.13, 455,317.21 and 179,036.13 is: 247,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,939.13 : 455,317.21 = 179,036.13 : x
  2. Step 2: Convert to fraction form
    329,939.13/455,317.21 = 179,036.13/x
  3. Step 3: Cross multiply
    329,939.13x = 455,317.21 × 179,036.13
  4. Step 4: Simplify right side
    329,939.13x = 81,518,231,200.80
  5. Step 5: Solve for x
    x = 81,518,231,200.80/329,939.13
  6. Step 6: Final answer
    x = 247,070.52

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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.