Home / 253,214.10-379,821.15-158,735.70

Finding the Fourth Proportional to 253,214.10, 379,821.15 and 158,735.70

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Solution

The fourth proportional to 253,214.10, 379,821.15 and 158,735.70 is: 238,103.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,214.10 : 379,821.15 = 158,735.70 : x
  2. Step 2: Convert to fraction form
    253,214.10/379,821.15 = 158,735.70/x
  3. Step 3: Cross multiply
    253,214.10x = 379,821.15 × 158,735.70
  4. Step 4: Simplify right side
    253,214.10x = 60,291,176,120.06
  5. Step 5: Solve for x
    x = 60,291,176,120.06/253,214.10
  6. Step 6: Final answer
    x = 238,103.55

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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.