Home / 347,604.20-521,795.10-269,066.60

Finding the Fourth Proportional to 347,604.20, 521,795.10 and 269,066.60

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Solution

The fourth proportional to 347,604.20, 521,795.10 and 269,066.60 is: 403,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,604.20 : 521,795.10 = 269,066.60 : x
  2. Step 2: Convert to fraction form
    347,604.20/521,795.10 = 269,066.60/x
  3. Step 3: Cross multiply
    347,604.20x = 521,795.10 × 269,066.60
  4. Step 4: Simplify right side
    347,604.20x = 140,397,633,453.66
  5. Step 5: Solve for x
    x = 140,397,633,453.66/347,604.20
  6. Step 6: Final answer
    x = 403,900.85

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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.