Home / 248,905.90-343,469.73-141,451.30

Finding the Fourth Proportional to 248,905.90, 343,469.73 and 141,451.30

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Solution

The fourth proportional to 248,905.90, 343,469.73 and 141,451.30 is: 195,191.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,905.90 : 343,469.73 = 141,451.30 : x
  2. Step 2: Convert to fraction form
    248,905.90/343,469.73 = 141,451.30/x
  3. Step 3: Cross multiply
    248,905.90x = 343,469.73 × 141,451.30
  4. Step 4: Simplify right side
    248,905.90x = 48,584,239,819.15
  5. Step 5: Solve for x
    x = 48,584,239,819.15/248,905.90
  6. Step 6: Final answer
    x = 195,191.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.