Home / 347,537.20-521,694.60-268,999.60

Finding the Fourth Proportional to 347,537.20, 521,694.60 and 268,999.60

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Solution

The fourth proportional to 347,537.20, 521,694.60 and 268,999.60 is: 403,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,537.20 : 521,694.60 = 268,999.60 : x
  2. Step 2: Convert to fraction form
    347,537.20/521,694.60 = 268,999.60/x
  3. Step 3: Cross multiply
    347,537.20x = 521,694.60 × 268,999.60
  4. Step 4: Simplify right side
    347,537.20x = 140,335,638,722.16
  5. Step 5: Solve for x
    x = 140,335,638,722.16/347,537.20
  6. Step 6: Final answer
    x = 403,800.34

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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.