Home / 378,409.01-566,971.20-228,333.96

Finding the Fourth Proportional to 378,409.01, 566,971.20 and 228,333.96

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Solution

The fourth proportional to 378,409.01, 566,971.20 and 228,333.96 is: 342,113.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,409.01 : 566,971.20 = 228,333.96 : x
  2. Step 2: Convert to fraction form
    378,409.01/566,971.20 = 228,333.96/x
  3. Step 3: Cross multiply
    378,409.01x = 566,971.20 × 228,333.96
  4. Step 4: Simplify right side
    378,409.01x = 129,458,777,884.52
  5. Step 5: Solve for x
    x = 129,458,777,884.52/378,409.01
  6. Step 6: Final answer
    x = 342,113.36

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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.