Home / 386,247.22-532,915.50-231,136.06

Finding the Fourth Proportional to 386,247.22, 532,915.50 and 231,136.06

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Solution

The fourth proportional to 386,247.22, 532,915.50 and 231,136.06 is: 318,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,247.22 : 532,915.50 = 231,136.06 : x
  2. Step 2: Convert to fraction form
    386,247.22/532,915.50 = 231,136.06/x
  3. Step 3: Cross multiply
    386,247.22x = 532,915.50 × 231,136.06
  4. Step 4: Simplify right side
    386,247.22x = 123,175,988,982.93
  5. Step 5: Solve for x
    x = 123,175,988,982.93/386,247.22
  6. Step 6: Final answer
    x = 318,904.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.