Home / 252,799.64-379,281.48-75,308.18

Finding the Fourth Proportional to 252,799.64, 379,281.48 and 75,308.18

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Solution

The fourth proportional to 252,799.64, 379,281.48 and 75,308.18 is: 112,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,799.64 : 379,281.48 = 75,308.18 : x
  2. Step 2: Convert to fraction form
    252,799.64/379,281.48 = 75,308.18/x
  3. Step 3: Cross multiply
    252,799.64x = 379,281.48 × 75,308.18
  4. Step 4: Simplify right side
    252,799.64x = 28,562,997,589.97
  5. Step 5: Solve for x
    x = 28,562,997,589.97/252,799.64
  6. Step 6: Final answer
    x = 112,986.70

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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.