Home / 243,608.22-365,442.03-103,319.46

Finding the Fourth Proportional to 243,608.22, 365,442.03 and 103,319.46

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Solution

The fourth proportional to 243,608.22, 365,442.03 and 103,319.46 is: 154,991.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,608.22 : 365,442.03 = 103,319.46 : x
  2. Step 2: Convert to fraction form
    243,608.22/365,442.03 = 103,319.46/x
  3. Step 3: Cross multiply
    243,608.22x = 365,442.03 × 103,319.46
  4. Step 4: Simplify right side
    243,608.22x = 37,757,273,200.90
  5. Step 5: Solve for x
    x = 37,757,273,200.90/243,608.22
  6. Step 6: Final answer
    x = 154,991.79

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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.