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Finding the Fourth Proportional to 254,708.47, 351,531.03 and 164,327.36

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Solution

The fourth proportional to 254,708.47, 351,531.03 and 164,327.36 is: 226,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,708.47 : 351,531.03 = 164,327.36 : x
  2. Step 2: Convert to fraction form
    254,708.47/351,531.03 = 164,327.36/x
  3. Step 3: Cross multiply
    254,708.47x = 351,531.03 × 164,327.36
  4. Step 4: Simplify right side
    254,708.47x = 57,766,168,074.22
  5. Step 5: Solve for x
    x = 57,766,168,074.22/254,708.47
  6. Step 6: Final answer
    x = 226,793.27

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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.