Home / 231,615.18-347,370.46-117,647.56

Finding the Fourth Proportional to 231,615.18, 347,370.46 and 117,647.56

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Solution

The fourth proportional to 231,615.18, 347,370.46 and 117,647.56 is: 176,444.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,615.18 : 347,370.46 = 117,647.56 : x
  2. Step 2: Convert to fraction form
    231,615.18/347,370.46 = 117,647.56/x
  3. Step 3: Cross multiply
    231,615.18x = 347,370.46 × 117,647.56
  4. Step 4: Simplify right side
    231,615.18x = 40,867,287,035.08
  5. Step 5: Solve for x
    x = 40,867,287,035.08/231,615.18
  6. Step 6: Final answer
    x = 176,444.77

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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.