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Finding the Fourth Proportional to 333,836.00, 500,754.63 and 81,116.70

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Solution

The fourth proportional to 333,836.00, 500,754.63 and 81,116.70 is: 121,675.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,836.00 : 500,754.63 = 81,116.70 : x
  2. Step 2: Convert to fraction form
    333,836.00/500,754.63 = 81,116.70/x
  3. Step 3: Cross multiply
    333,836.00x = 500,754.63 × 81,116.70
  4. Step 4: Simplify right side
    333,836.00x = 40,619,563,882.14
  5. Step 5: Solve for x
    x = 40,619,563,882.14/333,836.00
  6. Step 6: Final answer
    x = 121,675.21

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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.