Home / 231,402.61-347,300.75-165,005.29

Finding the Fourth Proportional to 231,402.61, 347,300.75 and 165,005.29

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Solution

The fourth proportional to 231,402.61, 347,300.75 and 165,005.29 is: 247,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,402.61 : 347,300.75 = 165,005.29 : x
  2. Step 2: Convert to fraction form
    231,402.61/347,300.75 = 165,005.29/x
  3. Step 3: Cross multiply
    231,402.61x = 347,300.75 × 165,005.29
  4. Step 4: Simplify right side
    231,402.61x = 57,306,460,970.97
  5. Step 5: Solve for x
    x = 57,306,460,970.97/231,402.61
  6. Step 6: Final answer
    x = 247,648.29

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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.