Home / 330,626.16-456,092.64-228,747.60

Finding the Fourth Proportional to 330,626.16, 456,092.64 and 228,747.60

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Solution

The fourth proportional to 330,626.16, 456,092.64 and 228,747.60 is: 315,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,626.16 : 456,092.64 = 228,747.60 : x
  2. Step 2: Convert to fraction form
    330,626.16/456,092.64 = 228,747.60/x
  3. Step 3: Cross multiply
    330,626.16x = 456,092.64 × 228,747.60
  4. Step 4: Simplify right side
    330,626.16x = 104,330,096,777.66
  5. Step 5: Solve for x
    x = 104,330,096,777.66/330,626.16
  6. Step 6: Final answer
    x = 315,553.06

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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.