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Finding the Fourth Proportional to 300,928.48, 450,917.84 and 111,127.52

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Solution

The fourth proportional to 300,928.48, 450,917.84 and 111,127.52 is: 166,515.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,928.48 : 450,917.84 = 111,127.52 : x
  2. Step 2: Convert to fraction form
    300,928.48/450,917.84 = 111,127.52/x
  3. Step 3: Cross multiply
    300,928.48x = 450,917.84 × 111,127.52
  4. Step 4: Simplify right side
    300,928.48x = 50,109,381,282.96
  5. Step 5: Solve for x
    x = 50,109,381,282.96/300,928.48
  6. Step 6: Final answer
    x = 166,515.92

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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.