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Finding the Fourth Proportional to 300,218.16, 450,062.28 and 113,098.80

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Solution

The fourth proportional to 300,218.16, 450,062.28 and 113,098.80 is: 169,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,218.16 : 450,062.28 = 113,098.80 : x
  2. Step 2: Convert to fraction form
    300,218.16/450,062.28 = 113,098.80/x
  3. Step 3: Cross multiply
    300,218.16x = 450,062.28 × 113,098.80
  4. Step 4: Simplify right side
    300,218.16x = 50,901,503,793.26
  5. Step 5: Solve for x
    x = 50,901,503,793.26/300,218.16
  6. Step 6: Final answer
    x = 169,548.38

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1.5x scale

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.