Home / 330,120.60-455,568.30-194,160.26

Finding the Fourth Proportional to 330,120.60, 455,568.30 and 194,160.26

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Solution

The fourth proportional to 330,120.60, 455,568.30 and 194,160.26 is: 267,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,120.60 : 455,568.30 = 194,160.26 : x
  2. Step 2: Convert to fraction form
    330,120.60/455,568.30 = 194,160.26/x
  3. Step 3: Cross multiply
    330,120.60x = 455,568.30 × 194,160.26
  4. Step 4: Simplify right side
    330,120.60x = 88,453,259,575.76
  5. Step 5: Solve for x
    x = 88,453,259,575.76/330,120.60
  6. Step 6: Final answer
    x = 267,942.26

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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.