Home / 377,974.56-521,604.78-208,212.24

Finding the Fourth Proportional to 377,974.56, 521,604.78 and 208,212.24

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Solution

The fourth proportional to 377,974.56, 521,604.78 and 208,212.24 is: 287,332.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,974.56 : 521,604.78 = 208,212.24 : x
  2. Step 2: Convert to fraction form
    377,974.56/521,604.78 = 208,212.24/x
  3. Step 3: Cross multiply
    377,974.56x = 521,604.78 × 208,212.24
  4. Step 4: Simplify right side
    377,974.56x = 108,604,499,638.51
  5. Step 5: Solve for x
    x = 108,604,499,638.51/377,974.56
  6. Step 6: Final answer
    x = 287,332.83

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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.