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Finding the Fourth Proportional to 231,137.65, 346,706.43 and 62,657.97

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Solution

The fourth proportional to 231,137.65, 346,706.43 and 62,657.97 is: 93,986.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,137.65 : 346,706.43 = 62,657.97 : x
  2. Step 2: Convert to fraction form
    231,137.65/346,706.43 = 62,657.97/x
  3. Step 3: Cross multiply
    231,137.65x = 346,706.43 × 62,657.97
  4. Step 4: Simplify right side
    231,137.65x = 21,723,921,089.75
  5. Step 5: Solve for x
    x = 21,723,921,089.75/231,137.65
  6. Step 6: Final answer
    x = 93,986.94

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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.