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Finding the Fourth Proportional to 492,933.96, 680,246.82 and 266,578.92

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Solution

The fourth proportional to 492,933.96, 680,246.82 and 266,578.92 is: 367,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,933.96 : 680,246.82 = 266,578.92 : x
  2. Step 2: Convert to fraction form
    492,933.96/680,246.82 = 266,578.92/x
  3. Step 3: Cross multiply
    492,933.96x = 680,246.82 × 266,578.92
  4. Step 4: Simplify right side
    492,933.96x = 181,339,462,609.03
  5. Step 5: Solve for x
    x = 181,339,462,609.03/492,933.96
  6. Step 6: Final answer
    x = 367,877.80

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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.