Home / 352,420.64-486,333.24-199,456.10

Finding the Fourth Proportional to 352,420.64, 486,333.24 and 199,456.10

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Solution

The fourth proportional to 352,420.64, 486,333.24 and 199,456.10 is: 275,245.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,420.64 : 486,333.24 = 199,456.10 : x
  2. Step 2: Convert to fraction form
    352,420.64/486,333.24 = 199,456.10/x
  3. Step 3: Cross multiply
    352,420.64x = 486,333.24 × 199,456.10
  4. Step 4: Simplify right side
    352,420.64x = 97,002,131,350.76
  5. Step 5: Solve for x
    x = 97,002,131,350.76/352,420.64
  6. Step 6: Final answer
    x = 275,245.32

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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.