Home / 228,394.76-315,183.15-131,563.31

Finding the Fourth Proportional to 228,394.76, 315,183.15 and 131,563.31

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Solution

The fourth proportional to 228,394.76, 315,183.15 and 131,563.31 is: 181,556.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,394.76 : 315,183.15 = 131,563.31 : x
  2. Step 2: Convert to fraction form
    228,394.76/315,183.15 = 131,563.31/x
  3. Step 3: Cross multiply
    228,394.76x = 315,183.15 × 131,563.31
  4. Step 4: Simplify right side
    228,394.76x = 41,466,536,894.31
  5. Step 5: Solve for x
    x = 41,466,536,894.31/228,394.76
  6. Step 6: Final answer
    x = 181,556.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.