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Finding the Fourth Proportional to 322,482.60, 444,009.60 and 292,589.28

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Solution

The fourth proportional to 322,482.60, 444,009.60 and 292,589.28 is: 402,851.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,482.60 : 444,009.60 = 292,589.28 : x
  2. Step 2: Convert to fraction form
    322,482.60/444,009.60 = 292,589.28/x
  3. Step 3: Cross multiply
    322,482.60x = 444,009.60 × 292,589.28
  4. Step 4: Simplify right side
    322,482.60x = 129,912,449,177.09
  5. Step 5: Solve for x
    x = 129,912,449,177.09/322,482.60
  6. Step 6: Final answer
    x = 402,851.03

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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.