Home / 376,869.11-520,081.38-204,788.43

Finding the Fourth Proportional to 376,869.11, 520,081.38 and 204,788.43

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Solution

The fourth proportional to 376,869.11, 520,081.38 and 204,788.43 is: 282,609.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,869.11 : 520,081.38 = 204,788.43 : x
  2. Step 2: Convert to fraction form
    376,869.11/520,081.38 = 204,788.43/x
  3. Step 3: Cross multiply
    376,869.11x = 520,081.38 × 204,788.43
  4. Step 4: Simplify right side
    376,869.11x = 106,506,649,282.43
  5. Step 5: Solve for x
    x = 106,506,649,282.43/376,869.11
  6. Step 6: Final answer
    x = 282,609.12

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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.