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Finding the Fourth Proportional to 450,288.79, 674,764.79 and 250,334.12

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Solution

The fourth proportional to 450,288.79, 674,764.79 and 250,334.12 is: 375,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,288.79 : 674,764.79 = 250,334.12 : x
  2. Step 2: Convert to fraction form
    450,288.79/674,764.79 = 250,334.12/x
  3. Step 3: Cross multiply
    450,288.79x = 674,764.79 × 250,334.12
  4. Step 4: Simplify right side
    450,288.79x = 168,916,645,286.14
  5. Step 5: Solve for x
    x = 168,916,645,286.14/450,288.79
  6. Step 6: Final answer
    x = 375,129.58

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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.