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Finding the Fourth Proportional to 455,282.54, 628,273.43 and 251,329.08

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Solution

The fourth proportional to 455,282.54, 628,273.43 and 251,329.08 is: 346,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,282.54 : 628,273.43 = 251,329.08 : x
  2. Step 2: Convert to fraction form
    455,282.54/628,273.43 = 251,329.08/x
  3. Step 3: Cross multiply
    455,282.54x = 628,273.43 × 251,329.08
  4. Step 4: Simplify right side
    455,282.54x = 157,903,383,150.34
  5. Step 5: Solve for x
    x = 157,903,383,150.34/455,282.54
  6. Step 6: Final answer
    x = 346,825.04

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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.