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Finding the Fourth Proportional to 352,436.60, 486,246.71 and 199,459.60

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Solution

The fourth proportional to 352,436.60, 486,246.71 and 199,459.60 is: 275,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,436.60 : 486,246.71 = 199,459.60 : x
  2. Step 2: Convert to fraction form
    352,436.60/486,246.71 = 199,459.60/x
  3. Step 3: Cross multiply
    352,436.60x = 486,246.71 × 199,459.60
  4. Step 4: Simplify right side
    352,436.60x = 96,986,573,560.95
  5. Step 5: Solve for x
    x = 96,986,573,560.95/352,436.60
  6. Step 6: Final answer
    x = 275,188.71

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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.