Home / 378,324.14-522,083.88-208,558.26

Finding the Fourth Proportional to 378,324.14, 522,083.88 and 208,558.26

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Solution

The fourth proportional to 378,324.14, 522,083.88 and 208,558.26 is: 287,808.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,324.14 : 522,083.88 = 208,558.26 : x
  2. Step 2: Convert to fraction form
    378,324.14/522,083.88 = 208,558.26/x
  3. Step 3: Cross multiply
    378,324.14x = 522,083.88 × 208,558.26
  4. Step 4: Simplify right side
    378,324.14x = 108,884,905,586.85
  5. Step 5: Solve for x
    x = 108,884,905,586.85/378,324.14
  6. Step 6: Final answer
    x = 287,808.51

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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.