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Finding the Fourth Proportional to 333,817.54, 500,787.82 and 109,189.92

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Solution

The fourth proportional to 333,817.54, 500,787.82 and 109,189.92 is: 163,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,817.54 : 500,787.82 = 109,189.92 : x
  2. Step 2: Convert to fraction form
    333,817.54/500,787.82 = 109,189.92/x
  3. Step 3: Cross multiply
    333,817.54x = 500,787.82 × 109,189.92
  4. Step 4: Simplify right side
    333,817.54x = 54,680,982,002.77
  5. Step 5: Solve for x
    x = 54,680,982,002.77/333,817.54
  6. Step 6: Final answer
    x = 163,805.00

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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.