Home / 455,283.22-628,291.78-251,334.43

Finding the Fourth Proportional to 455,283.22, 628,291.78 and 251,334.43

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Solution

The fourth proportional to 455,283.22, 628,291.78 and 251,334.43 is: 346,842.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,283.22 : 628,291.78 = 251,334.43 : x
  2. Step 2: Convert to fraction form
    455,283.22/628,291.78 = 251,334.43/x
  3. Step 3: Cross multiply
    455,283.22x = 628,291.78 × 251,334.43
  4. Step 4: Simplify right side
    455,283.22x = 157,911,354,112.66
  5. Step 5: Solve for x
    x = 157,911,354,112.66/455,283.22
  6. Step 6: Final answer
    x = 346,842.02

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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.