Home / 377,899.54-521,490.85-205,813.73

Finding the Fourth Proportional to 377,899.54, 521,490.85 and 205,813.73

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Solution

The fourth proportional to 377,899.54, 521,490.85 and 205,813.73 is: 284,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,899.54 : 521,490.85 = 205,813.73 : x
  2. Step 2: Convert to fraction form
    377,899.54/521,490.85 = 205,813.73/x
  3. Step 3: Cross multiply
    377,899.54x = 521,490.85 × 205,813.73
  4. Step 4: Simplify right side
    377,899.54x = 107,329,977,788.56
  5. Step 5: Solve for x
    x = 107,329,977,788.56/377,899.54
  6. Step 6: Final answer
    x = 284,017.22

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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.