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Finding the Fourth Proportional to 345,998.80, 477,481.80 and 202,843.60

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Solution

The fourth proportional to 345,998.80, 477,481.80 and 202,843.60 is: 279,926.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,998.80 : 477,481.80 = 202,843.60 : x
  2. Step 2: Convert to fraction form
    345,998.80/477,481.80 = 202,843.60/x
  3. Step 3: Cross multiply
    345,998.80x = 477,481.80 × 202,843.60
  4. Step 4: Simplify right side
    345,998.80x = 96,854,127,246.48
  5. Step 5: Solve for x
    x = 96,854,127,246.48/345,998.80
  6. Step 6: Final answer
    x = 279,926.19

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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.