Home / 330,377.12-455,917.92-179,475.20

Finding the Fourth Proportional to 330,377.12, 455,917.92 and 179,475.20

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Solution

The fourth proportional to 330,377.12, 455,917.92 and 179,475.20 is: 247,674.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,377.12 : 455,917.92 = 179,475.20 : x
  2. Step 2: Convert to fraction form
    330,377.12/455,917.92 = 179,475.20/x
  3. Step 3: Cross multiply
    330,377.12x = 455,917.92 × 179,475.20
  4. Step 4: Simplify right side
    330,377.12x = 81,825,959,875.58
  5. Step 5: Solve for x
    x = 81,825,959,875.58/330,377.12
  6. Step 6: Final answer
    x = 247,674.41

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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.