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Finding the Fourth Proportional to 300,295.76, 450,621.12 and 110,888.78

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Solution

The fourth proportional to 300,295.76, 450,621.12 and 110,888.78 is: 166,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,295.76 : 450,621.12 = 110,888.78 : x
  2. Step 2: Convert to fraction form
    300,295.76/450,621.12 = 110,888.78/x
  3. Step 3: Cross multiply
    300,295.76x = 450,621.12 × 110,888.78
  4. Step 4: Simplify right side
    300,295.76x = 49,968,826,239.03
  5. Step 5: Solve for x
    x = 49,968,826,239.03/300,295.76
  6. Step 6: Final answer
    x = 166,398.71

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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.