Home / 269,938.31-405,044.82-163,576.40

Finding the Fourth Proportional to 269,938.31, 405,044.82 and 163,576.40

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Solution

The fourth proportional to 269,938.31, 405,044.82 and 163,576.40 is: 245,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,938.31 : 405,044.82 = 163,576.40 : x
  2. Step 2: Convert to fraction form
    269,938.31/405,044.82 = 163,576.40/x
  3. Step 3: Cross multiply
    269,938.31x = 405,044.82 × 163,576.40
  4. Step 4: Simplify right side
    269,938.31x = 66,255,771,469.02
  5. Step 5: Solve for x
    x = 66,255,771,469.02/269,938.31
  6. Step 6: Final answer
    x = 245,447.83

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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.