Home / 330,530.24-456,132.64-179,627.84

Finding the Fourth Proportional to 330,530.24, 456,132.64 and 179,627.84

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Solution

The fourth proportional to 330,530.24, 456,132.64 and 179,627.84 is: 247,886.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,530.24 : 456,132.64 = 179,627.84 : x
  2. Step 2: Convert to fraction form
    330,530.24/456,132.64 = 179,627.84/x
  3. Step 3: Cross multiply
    330,530.24x = 456,132.64 × 179,627.84
  4. Step 4: Simplify right side
    330,530.24x = 81,934,120,876.70
  5. Step 5: Solve for x
    x = 81,934,120,876.70/330,530.24
  6. Step 6: Final answer
    x = 247,886.91

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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.