Home / 352,170.20-486,081.60-216,236.72

Finding the Fourth Proportional to 352,170.20, 486,081.60 and 216,236.72

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Solution

The fourth proportional to 352,170.20, 486,081.60 and 216,236.72 is: 298,459.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,170.20 : 486,081.60 = 216,236.72 : x
  2. Step 2: Convert to fraction form
    352,170.20/486,081.60 = 216,236.72/x
  3. Step 3: Cross multiply
    352,170.20x = 486,081.60 × 216,236.72
  4. Step 4: Simplify right side
    352,170.20x = 105,108,690,836.35
  5. Step 5: Solve for x
    x = 105,108,690,836.35/352,170.20
  6. Step 6: Final answer
    x = 298,459.92

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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.