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Finding the Fourth Proportional to 455,272.95, 628,244.41 and 251,291.14

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Solution

The fourth proportional to 455,272.95, 628,244.41 and 251,291.14 is: 346,763.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,272.95 : 628,244.41 = 251,291.14 : x
  2. Step 2: Convert to fraction form
    455,272.95/628,244.41 = 251,291.14/x
  3. Step 3: Cross multiply
    455,272.95x = 628,244.41 × 251,291.14
  4. Step 4: Simplify right side
    455,272.95x = 157,872,253,987.53
  5. Step 5: Solve for x
    x = 157,872,253,987.53/455,272.95
  6. Step 6: Final answer
    x = 346,763.97

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.