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Finding the Fourth Proportional to 333,909.82, 500,895.78 and 120,731.14

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Solution

The fourth proportional to 333,909.82, 500,895.78 and 120,731.14 is: 181,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,909.82 : 500,895.78 = 120,731.14 : x
  2. Step 2: Convert to fraction form
    333,909.82/500,895.78 = 120,731.14/x
  3. Step 3: Cross multiply
    333,909.82x = 500,895.78 × 120,731.14
  4. Step 4: Simplify right side
    333,909.82x = 60,473,718,540.59
  5. Step 5: Solve for x
    x = 60,473,718,540.59/333,909.82
  6. Step 6: Final answer
    x = 181,107.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.