Home / 377,794.12-521,355.07-205,709.42

Finding the Fourth Proportional to 377,794.12, 521,355.07 and 205,709.42

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Solution

The fourth proportional to 377,794.12, 521,355.07 and 205,709.42 is: 283,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,794.12 : 521,355.07 = 205,709.42 : x
  2. Step 2: Convert to fraction form
    377,794.12/521,355.07 = 205,709.42/x
  3. Step 3: Cross multiply
    377,794.12x = 521,355.07 × 205,709.42
  4. Step 4: Simplify right side
    377,794.12x = 107,247,645,428.44
  5. Step 5: Solve for x
    x = 107,247,645,428.44/377,794.12
  6. Step 6: Final answer
    x = 283,878.55

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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.