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Finding the Fourth Proportional to 454,748.80, 627,556.80 and 250,807

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Solution

The fourth proportional to 454,748.80, 627,556.80 and 250,807 is: 346,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,748.80 : 627,556.80 = 250,807 : x
  2. Step 2: Convert to fraction form
    454,748.80/627,556.80 = 250,807/x
  3. Step 3: Cross multiply
    454,748.80x = 627,556.80 × 250,807
  4. Step 4: Simplify right side
    454,748.80x = 157,395,638,337.60
  5. Step 5: Solve for x
    x = 157,395,638,337.60/454,748.80
  6. Step 6: Final answer
    x = 346,115.57

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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.