Home / 377,942.51-521,561.38-205,859.94

Finding the Fourth Proportional to 377,942.51, 521,561.38 and 205,859.94

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Solution

The fourth proportional to 377,942.51, 521,561.38 and 205,859.94 is: 284,087.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,942.51 : 521,561.38 = 205,859.94 : x
  2. Step 2: Convert to fraction form
    377,942.51/521,561.38 = 205,859.94/x
  3. Step 3: Cross multiply
    377,942.51x = 521,561.38 × 205,859.94
  4. Step 4: Simplify right side
    377,942.51x = 107,368,595,242.38
  5. Step 5: Solve for x
    x = 107,368,595,242.38/377,942.51
  6. Step 6: Final answer
    x = 284,087.11

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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.