Home / 252,902.55-379,305.23-75,415.35

Finding the Fourth Proportional to 252,902.55, 379,305.23 and 75,415.35

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Solution

The fourth proportional to 252,902.55, 379,305.23 and 75,415.35 is: 113,108.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,902.55 : 379,305.23 = 75,415.35 : x
  2. Step 2: Convert to fraction form
    252,902.55/379,305.23 = 75,415.35/x
  3. Step 3: Cross multiply
    252,902.55x = 379,305.23 × 75,415.35
  4. Step 4: Simplify right side
    252,902.55x = 28,605,436,300.20
  5. Step 5: Solve for x
    x = 28,605,436,300.20/252,902.55
  6. Step 6: Final answer
    x = 113,108.53

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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.