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Finding the Fourth Proportional to 184,032.80, 276,049.20 and 161,223.20

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Solution

The fourth proportional to 184,032.80, 276,049.20 and 161,223.20 is: 241,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,032.80 : 276,049.20 = 161,223.20 : x
  2. Step 2: Convert to fraction form
    184,032.80/276,049.20 = 161,223.20/x
  3. Step 3: Cross multiply
    184,032.80x = 276,049.20 × 161,223.20
  4. Step 4: Simplify right side
    184,032.80x = 44,505,535,381.44
  5. Step 5: Solve for x
    x = 44,505,535,381.44/184,032.80
  6. Step 6: Final answer
    x = 241,834.80

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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.