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Finding the Fourth Proportional to 352,445.68, 486,259.26 and 199,468.72

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Solution

The fourth proportional to 352,445.68, 486,259.26 and 199,468.72 is: 275,201.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,445.68 : 486,259.26 = 199,468.72 : x
  2. Step 2: Convert to fraction form
    352,445.68/486,259.26 = 199,468.72/x
  3. Step 3: Cross multiply
    352,445.68x = 486,259.26 × 199,468.72
  4. Step 4: Simplify right side
    352,445.68x = 96,993,512,180.35
  5. Step 5: Solve for x
    x = 96,993,512,180.35/352,445.68
  6. Step 6: Final answer
    x = 275,201.31

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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.