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Finding the Fourth Proportional to 324,480.46, 486,845.34 and 228,509.78

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Solution

The fourth proportional to 324,480.46, 486,845.34 and 228,509.78 is: 342,852.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,480.46 : 486,845.34 = 228,509.78 : x
  2. Step 2: Convert to fraction form
    324,480.46/486,845.34 = 228,509.78/x
  3. Step 3: Cross multiply
    324,480.46x = 486,845.34 × 228,509.78
  4. Step 4: Simplify right side
    324,480.46x = 111,248,921,537.43
  5. Step 5: Solve for x
    x = 111,248,921,537.43/324,480.46
  6. Step 6: Final answer
    x = 342,852.45

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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.