Home / 352,357.03-486,276.65-199,395.28

Finding the Fourth Proportional to 352,357.03, 486,276.65 and 199,395.28

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Solution

The fourth proportional to 352,357.03, 486,276.65 and 199,395.28 is: 275,179.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,357.03 : 486,276.65 = 199,395.28 : x
  2. Step 2: Convert to fraction form
    352,357.03/486,276.65 = 199,395.28/x
  3. Step 3: Cross multiply
    352,357.03x = 486,276.65 × 199,395.28
  4. Step 4: Simplify right side
    352,357.03x = 96,961,268,784.21
  5. Step 5: Solve for x
    x = 96,961,268,784.21/352,357.03
  6. Step 6: Final answer
    x = 275,179.04

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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.