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Finding the Fourth Proportional to 300,283.38, 450,556.89 and 113,251.14

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Solution

The fourth proportional to 300,283.38, 450,556.89 and 113,251.14 is: 169,926.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,283.38 : 450,556.89 = 113,251.14 : x
  2. Step 2: Convert to fraction form
    300,283.38/450,556.89 = 113,251.14/x
  3. Step 3: Cross multiply
    300,283.38x = 450,556.89 × 113,251.14
  4. Step 4: Simplify right side
    300,283.38x = 51,026,081,427.35
  5. Step 5: Solve for x
    x = 51,026,081,427.35/300,283.38
  6. Step 6: Final answer
    x = 169,926.43

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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.