Home / 252,986.58-379,492.02-75,507.48

Finding the Fourth Proportional to 252,986.58, 379,492.02 and 75,507.48

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Solution

The fourth proportional to 252,986.58, 379,492.02 and 75,507.48 is: 113,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,986.58 : 379,492.02 = 75,507.48 : x
  2. Step 2: Convert to fraction form
    252,986.58/379,492.02 = 75,507.48/x
  3. Step 3: Cross multiply
    252,986.58x = 379,492.02 × 75,507.48
  4. Step 4: Simplify right side
    252,986.58x = 28,654,486,110.31
  5. Step 5: Solve for x
    x = 28,654,486,110.31/252,986.58
  6. Step 6: Final answer
    x = 113,264.85

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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.