Home / 347,748.30-521,622.45-269,016.30

Finding the Fourth Proportional to 347,748.30, 521,622.45 and 269,016.30

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Solution

The fourth proportional to 347,748.30, 521,622.45 and 269,016.30 is: 403,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,748.30 : 521,622.45 = 269,016.30 : x
  2. Step 2: Convert to fraction form
    347,748.30/521,622.45 = 269,016.30/x
  3. Step 3: Cross multiply
    347,748.30x = 521,622.45 × 269,016.30
  4. Step 4: Simplify right side
    347,748.30x = 140,324,941,495.94
  5. Step 5: Solve for x
    x = 140,324,941,495.94/347,748.30
  6. Step 6: Final answer
    x = 403,524.45

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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.