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Finding the Fourth Proportional to 300,152.56, 450,161.84 and 89,763.20

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Solution

The fourth proportional to 300,152.56, 450,161.84 and 89,763.20 is: 134,624.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,152.56 : 450,161.84 = 89,763.20 : x
  2. Step 2: Convert to fraction form
    300,152.56/450,161.84 = 89,763.20/x
  3. Step 3: Cross multiply
    300,152.56x = 450,161.84 × 89,763.20
  4. Step 4: Simplify right side
    300,152.56x = 40,407,967,276.29
  5. Step 5: Solve for x
    x = 40,407,967,276.29/300,152.56
  6. Step 6: Final answer
    x = 134,624.76

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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.