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Finding the Fourth Proportional to 461,556.68, 636,948.52 and 254,825.24

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Solution

The fourth proportional to 461,556.68, 636,948.52 and 254,825.24 is: 351,658.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,556.68 : 636,948.52 = 254,825.24 : x
  2. Step 2: Convert to fraction form
    461,556.68/636,948.52 = 254,825.24/x
  3. Step 3: Cross multiply
    461,556.68x = 636,948.52 × 254,825.24
  4. Step 4: Simplify right side
    461,556.68x = 162,310,555,654.84
  5. Step 5: Solve for x
    x = 162,310,555,654.84/461,556.68
  6. Step 6: Final answer
    x = 351,658.99

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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.