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Finding the Fourth Proportional to 248,825.52, 373,238.28 and 82,613.52

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Solution

The fourth proportional to 248,825.52, 373,238.28 and 82,613.52 is: 123,920.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,825.52 : 373,238.28 = 82,613.52 : x
  2. Step 2: Convert to fraction form
    248,825.52/373,238.28 = 82,613.52/x
  3. Step 3: Cross multiply
    248,825.52x = 373,238.28 × 82,613.52
  4. Step 4: Simplify right side
    248,825.52x = 30,834,528,109.55
  5. Step 5: Solve for x
    x = 30,834,528,109.55/248,825.52
  6. Step 6: Final answer
    x = 123,920.28

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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.