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Finding the Fourth Proportional to 233,805.72, 350,622.45 and 84,005.94

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Solution

The fourth proportional to 233,805.72, 350,622.45 and 84,005.94 is: 125,977.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,805.72 : 350,622.45 = 84,005.94 : x
  2. Step 2: Convert to fraction form
    233,805.72/350,622.45 = 84,005.94/x
  3. Step 3: Cross multiply
    233,805.72x = 350,622.45 × 84,005.94
  4. Step 4: Simplify right side
    233,805.72x = 29,454,368,497.35
  5. Step 5: Solve for x
    x = 29,454,368,497.35/233,805.72
  6. Step 6: Final answer
    x = 125,977.96

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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.