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Finding the Fourth Proportional to 300,251.98, 450,394.37 and 100,554.28

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Solution

The fourth proportional to 300,251.98, 450,394.37 and 100,554.28 is: 150,836.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,251.98 : 450,394.37 = 100,554.28 : x
  2. Step 2: Convert to fraction form
    300,251.98/450,394.37 = 100,554.28/x
  3. Step 3: Cross multiply
    300,251.98x = 450,394.37 × 100,554.28
  4. Step 4: Simplify right side
    300,251.98x = 45,289,080,905.34
  5. Step 5: Solve for x
    x = 45,289,080,905.34/300,251.98
  6. Step 6: Final answer
    x = 150,836.91

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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.