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Finding the Fourth Proportional to 450,449.20, 675,672.96 and 213,662.56

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Solution

The fourth proportional to 450,449.20, 675,672.96 and 213,662.56 is: 320,493.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,449.20 : 675,672.96 = 213,662.56 : x
  2. Step 2: Convert to fraction form
    450,449.20/675,672.96 = 213,662.56/x
  3. Step 3: Cross multiply
    450,449.20x = 675,672.96 × 213,662.56
  4. Step 4: Simplify right side
    450,449.20x = 144,366,014,356.38
  5. Step 5: Solve for x
    x = 144,366,014,356.38/450,449.20
  6. Step 6: Final answer
    x = 320,493.44

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1.5x scale

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.