Home / 347,631.20-521,835.60-269,093.60

Finding the Fourth Proportional to 347,631.20, 521,835.60 and 269,093.60

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Solution

The fourth proportional to 347,631.20, 521,835.60 and 269,093.60 is: 403,941.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,631.20 : 521,835.60 = 269,093.60 : x
  2. Step 2: Convert to fraction form
    347,631.20/521,835.60 = 269,093.60/x
  3. Step 3: Cross multiply
    347,631.20x = 521,835.60 × 269,093.60
  4. Step 4: Simplify right side
    347,631.20x = 140,422,620,212.16
  5. Step 5: Solve for x
    x = 140,422,620,212.16/347,631.20
  6. Step 6: Final answer
    x = 403,941.36

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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.