Home / 377,964.51-521,591.04-208,198.62

Finding the Fourth Proportional to 377,964.51, 521,591.04 and 208,198.62

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Solution

The fourth proportional to 377,964.51, 521,591.04 and 208,198.62 is: 287,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,964.51 : 521,591.04 = 208,198.62 : x
  2. Step 2: Convert to fraction form
    377,964.51/521,591.04 = 208,198.62/x
  3. Step 3: Cross multiply
    377,964.51x = 521,591.04 × 208,198.62
  4. Step 4: Simplify right side
    377,964.51x = 108,594,534,732.37
  5. Step 5: Solve for x
    x = 108,594,534,732.37/377,964.51
  6. Step 6: Final answer
    x = 287,314.10

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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.