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Finding the Fourth Proportional to 333,759.54, 500,670 and 109,121.16

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Solution

The fourth proportional to 333,759.54, 500,670 and 109,121.16 is: 163,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,759.54 : 500,670 = 109,121.16 : x
  2. Step 2: Convert to fraction form
    333,759.54/500,670 = 109,121.16/x
  3. Step 3: Cross multiply
    333,759.54x = 500,670 × 109,121.16
  4. Step 4: Simplify right side
    333,759.54x = 54,633,691,177.20
  5. Step 5: Solve for x
    x = 54,633,691,177.20/333,759.54
  6. Step 6: Final answer
    x = 163,691.77

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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.