Home / 253,023.26-379,521.93-75,531.74

Finding the Fourth Proportional to 253,023.26, 379,521.93 and 75,531.74

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Solution

The fourth proportional to 253,023.26, 379,521.93 and 75,531.74 is: 113,293.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,023.26 : 379,521.93 = 75,531.74 : x
  2. Step 2: Convert to fraction form
    253,023.26/379,521.93 = 75,531.74/x
  3. Step 3: Cross multiply
    253,023.26x = 379,521.93 × 75,531.74
  4. Step 4: Simplify right side
    253,023.26x = 28,665,951,741.06
  5. Step 5: Solve for x
    x = 28,665,951,741.06/253,023.26
  6. Step 6: Final answer
    x = 113,293.74

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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.