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Finding the Fourth Proportional to 444,146.82, 612,920.84 and 240,197.96

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Solution

The fourth proportional to 444,146.82, 612,920.84 and 240,197.96 is: 331,472.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,146.82 : 612,920.84 = 240,197.96 : x
  2. Step 2: Convert to fraction form
    444,146.82/612,920.84 = 240,197.96/x
  3. Step 3: Cross multiply
    444,146.82x = 612,920.84 × 240,197.96
  4. Step 4: Simplify right side
    444,146.82x = 147,222,335,409.49
  5. Step 5: Solve for x
    x = 147,222,335,409.49/444,146.82
  6. Step 6: Final answer
    x = 331,472.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.