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Finding the Fourth Proportional to 300,635.24, 450,937.05 and 100,959.71

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Solution

The fourth proportional to 300,635.24, 450,937.05 and 100,959.71 is: 151,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,635.24 : 450,937.05 = 100,959.71 : x
  2. Step 2: Convert to fraction form
    300,635.24/450,937.05 = 100,959.71/x
  3. Step 3: Cross multiply
    300,635.24x = 450,937.05 × 100,959.71
  4. Step 4: Simplify right side
    300,635.24x = 45,526,471,541.57
  5. Step 5: Solve for x
    x = 45,526,471,541.57/300,635.24
  6. Step 6: Final answer
    x = 151,434.25

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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.