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Finding the Fourth Proportional to 300,317.76, 450,162.81 and 100,473.75

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Solution

The fourth proportional to 300,317.76, 450,162.81 and 100,473.75 is: 150,605.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,317.76 : 450,162.81 = 100,473.75 : x
  2. Step 2: Convert to fraction form
    300,317.76/450,162.81 = 100,473.75/x
  3. Step 3: Cross multiply
    300,317.76x = 450,162.81 × 100,473.75
  4. Step 4: Simplify right side
    300,317.76x = 45,229,545,631.24
  5. Step 5: Solve for x
    x = 45,229,545,631.24/300,317.76
  6. Step 6: Final answer
    x = 150,605.63

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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.