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Finding the Fourth Proportional to 248,843.79, 373,265.42 and 61,855.29

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Solution

The fourth proportional to 248,843.79, 373,265.42 and 61,855.29 is: 92,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,843.79 : 373,265.42 = 61,855.29 : x
  2. Step 2: Convert to fraction form
    248,843.79/373,265.42 = 61,855.29/x
  3. Step 3: Cross multiply
    248,843.79x = 373,265.42 × 61,855.29
  4. Step 4: Simplify right side
    248,843.79x = 23,088,440,491.80
  5. Step 5: Solve for x
    x = 23,088,440,491.80/248,843.79
  6. Step 6: Final answer
    x = 92,782.87

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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.