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Finding the Fourth Proportional to 300,752.76, 451,140.06 and 101,079.80

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Solution

The fourth proportional to 300,752.76, 451,140.06 and 101,079.80 is: 151,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,752.76 : 451,140.06 = 101,079.80 : x
  2. Step 2: Convert to fraction form
    300,752.76/451,140.06 = 101,079.80/x
  3. Step 3: Cross multiply
    300,752.76x = 451,140.06 × 101,079.80
  4. Step 4: Simplify right side
    300,752.76x = 45,601,147,036.79
  5. Step 5: Solve for x
    x = 45,601,147,036.79/300,752.76
  6. Step 6: Final answer
    x = 151,623.37

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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.