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Finding the Fourth Proportional to 219,745.54, 303,227.85 and 174,532.96

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Solution

The fourth proportional to 219,745.54, 303,227.85 and 174,532.96 is: 240,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,745.54 : 303,227.85 = 174,532.96 : x
  2. Step 2: Convert to fraction form
    219,745.54/303,227.85 = 174,532.96/x
  3. Step 3: Cross multiply
    219,745.54x = 303,227.85 × 174,532.96
  4. Step 4: Simplify right side
    219,745.54x = 52,923,254,214.94
  5. Step 5: Solve for x
    x = 52,923,254,214.94/219,745.54
  6. Step 6: Final answer
    x = 240,838.81

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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.