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Finding the Fourth Proportional to 193,659.91, 290,489.65 and 67,300.17

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Solution

The fourth proportional to 193,659.91, 290,489.65 and 67,300.17 is: 100,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,659.91 : 290,489.65 = 67,300.17 : x
  2. Step 2: Convert to fraction form
    193,659.91/290,489.65 = 67,300.17/x
  3. Step 3: Cross multiply
    193,659.91x = 290,489.65 × 67,300.17
  4. Step 4: Simplify right side
    193,659.91x = 19,550,002,828.24
  5. Step 5: Solve for x
    x = 19,550,002,828.24/193,659.91
  6. Step 6: Final answer
    x = 100,950.18

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