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Finding the Fourth Proportional to 454,686.09, 627,452.37 and 250,745.61

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Solution

The fourth proportional to 454,686.09, 627,452.37 and 250,745.61 is: 346,020.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,686.09 : 627,452.37 = 250,745.61 : x
  2. Step 2: Convert to fraction form
    454,686.09/627,452.37 = 250,745.61/x
  3. Step 3: Cross multiply
    454,686.09x = 627,452.37 × 250,745.61
  4. Step 4: Simplify right side
    454,686.09x = 157,330,927,261.60
  5. Step 5: Solve for x
    x = 157,330,927,261.60/454,686.09
  6. Step 6: Final answer
    x = 346,020.98

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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.