Home / 377,933.29-521,559.89-205,856.43

Finding the Fourth Proportional to 377,933.29, 521,559.89 and 205,856.43

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Solution

The fourth proportional to 377,933.29, 521,559.89 and 205,856.43 is: 284,088.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,933.29 : 521,559.89 = 205,856.43 : x
  2. Step 2: Convert to fraction form
    377,933.29/521,559.89 = 205,856.43/x
  3. Step 3: Cross multiply
    377,933.29x = 521,559.89 × 205,856.43
  4. Step 4: Simplify right side
    377,933.29x = 107,366,454,773.42
  5. Step 5: Solve for x
    x = 107,366,454,773.42/377,933.29
  6. Step 6: Final answer
    x = 284,088.38

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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.