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Finding the Fourth Proportional to 228,409.57, 315,238.96 and 131,594.97

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Solution

The fourth proportional to 228,409.57, 315,238.96 and 131,594.97 is: 181,620.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,409.57 : 315,238.96 = 131,594.97 : x
  2. Step 2: Convert to fraction form
    228,409.57/315,238.96 = 131,594.97/x
  3. Step 3: Cross multiply
    228,409.57x = 315,238.96 × 131,594.97
  4. Step 4: Simplify right side
    228,409.57x = 41,483,860,826.06
  5. Step 5: Solve for x
    x = 41,483,860,826.06/228,409.57
  6. Step 6: Final answer
    x = 181,620.51

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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.