Home / 253,266.22-379,758.84-103,611.61

Finding the Fourth Proportional to 253,266.22, 379,758.84 and 103,611.61

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Solution

The fourth proportional to 253,266.22, 379,758.84 and 103,611.61 is: 155,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,266.22 : 379,758.84 = 103,611.61 : x
  2. Step 2: Convert to fraction form
    253,266.22/379,758.84 = 103,611.61/x
  3. Step 3: Cross multiply
    253,266.22x = 379,758.84 × 103,611.61
  4. Step 4: Simplify right side
    253,266.22x = 39,347,424,824.13
  5. Step 5: Solve for x
    x = 39,347,424,824.13/253,266.22
  6. Step 6: Final answer
    x = 155,359.94

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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.