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Finding the Fourth Proportional to 199,360.80, 298,625.82 and 99,217.32

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Solution

The fourth proportional to 199,360.80, 298,625.82 and 99,217.32 is: 148,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,360.80 : 298,625.82 = 99,217.32 : x
  2. Step 2: Convert to fraction form
    199,360.80/298,625.82 = 99,217.32/x
  3. Step 3: Cross multiply
    199,360.80x = 298,625.82 × 99,217.32
  4. Step 4: Simplify right side
    199,360.80x = 29,628,853,543.20
  5. Step 5: Solve for x
    x = 29,628,853,543.20/199,360.80
  6. Step 6: Final answer
    x = 148,619.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.