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Finding the Fourth Proportional to 300,191.32, 450,286.89 and 113,159.08

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Solution

The fourth proportional to 300,191.32, 450,286.89 and 113,159.08 is: 169,738.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,191.32 : 450,286.89 = 113,159.08 : x
  2. Step 2: Convert to fraction form
    300,191.32/450,286.89 = 113,159.08/x
  3. Step 3: Cross multiply
    300,191.32x = 450,286.89 × 113,159.08
  4. Step 4: Simplify right side
    300,191.32x = 50,954,050,208.46
  5. Step 5: Solve for x
    x = 50,954,050,208.46/300,191.32
  6. Step 6: Final answer
    x = 169,738.59

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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.