Home / 330,377.13-455,920.44-179,474.13

Finding the Fourth Proportional to 330,377.13, 455,920.44 and 179,474.13

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Solution

The fourth proportional to 330,377.13, 455,920.44 and 179,474.13 is: 247,674.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,377.13 : 455,920.44 = 179,474.13 : x
  2. Step 2: Convert to fraction form
    330,377.13/455,920.44 = 179,474.13/x
  3. Step 3: Cross multiply
    330,377.13x = 455,920.44 × 179,474.13
  4. Step 4: Simplify right side
    330,377.13x = 81,825,924,318.22
  5. Step 5: Solve for x
    x = 81,825,924,318.22/330,377.13
  6. Step 6: Final answer
    x = 247,674.30

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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.