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Finding the Fourth Proportional to 444,132, 612,910.80 and 242,932.32

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Solution

The fourth proportional to 444,132, 612,910.80 and 242,932.32 is: 335,251.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,132 : 612,910.80 = 242,932.32 : x
  2. Step 2: Convert to fraction form
    444,132/612,910.80 = 242,932.32/x
  3. Step 3: Cross multiply
    444,132x = 612,910.80 × 242,932.32
  4. Step 4: Simplify right side
    444,132x = 148,895,842,597.06
  5. Step 5: Solve for x
    x = 148,895,842,597.06/444,132
  6. Step 6: Final answer
    x = 335,251.33

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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.