Home / 376,942.24-520,184.31-204,860.22

Finding the Fourth Proportional to 376,942.24, 520,184.31 and 204,860.22

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Solution

The fourth proportional to 376,942.24, 520,184.31 and 204,860.22 is: 282,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,942.24 : 520,184.31 = 204,860.22 : x
  2. Step 2: Convert to fraction form
    376,942.24/520,184.31 = 204,860.22/x
  3. Step 3: Cross multiply
    376,942.24x = 520,184.31 × 204,860.22
  4. Step 4: Simplify right side
    376,942.24x = 106,565,071,398.84
  5. Step 5: Solve for x
    x = 106,565,071,398.84/376,942.24
  6. Step 6: Final answer
    x = 282,709.28

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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.