Home / 377,919.73-521,529.20-208,153.85

Finding the Fourth Proportional to 377,919.73, 521,529.20 and 208,153.85

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Solution

The fourth proportional to 377,919.73, 521,529.20 and 208,153.85 is: 287,252.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,919.73 : 521,529.20 = 208,153.85 : x
  2. Step 2: Convert to fraction form
    377,919.73/521,529.20 = 208,153.85/x
  3. Step 3: Cross multiply
    377,919.73x = 521,529.20 × 208,153.85
  4. Step 4: Simplify right side
    377,919.73x = 108,558,313,081.92
  5. Step 5: Solve for x
    x = 108,558,313,081.92/377,919.73
  6. Step 6: Final answer
    x = 287,252.31

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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.