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Finding the Fourth Proportional to 474,684.25, 655,080.92 and 259,824.49

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Solution

The fourth proportional to 474,684.25, 655,080.92 and 259,824.49 is: 358,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,684.25 : 655,080.92 = 259,824.49 : x
  2. Step 2: Convert to fraction form
    474,684.25/655,080.92 = 259,824.49/x
  3. Step 3: Cross multiply
    474,684.25x = 655,080.92 × 259,824.49
  4. Step 4: Simplify right side
    474,684.25x = 170,206,063,010.91
  5. Step 5: Solve for x
    x = 170,206,063,010.91/474,684.25
  6. Step 6: Final answer
    x = 358,566.91

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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.