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Finding the Fourth Proportional to 450,074.80, 675,371.40 and 169,793.20

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Solution

The fourth proportional to 450,074.80, 675,371.40 and 169,793.20 is: 254,787.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,074.80 : 675,371.40 = 169,793.20 : x
  2. Step 2: Convert to fraction form
    450,074.80/675,371.40 = 169,793.20/x
  3. Step 3: Cross multiply
    450,074.80x = 675,371.40 × 169,793.20
  4. Step 4: Simplify right side
    450,074.80x = 114,673,471,194.48
  5. Step 5: Solve for x
    x = 114,673,471,194.48/450,074.80
  6. Step 6: Final answer
    x = 254,787.58

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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.