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Finding the Fourth Proportional to 454,425.48, 627,357.96 and 273,180.96

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Solution

The fourth proportional to 454,425.48, 627,357.96 and 273,180.96 is: 377,140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,425.48 : 627,357.96 = 273,180.96 : x
  2. Step 2: Convert to fraction form
    454,425.48/627,357.96 = 273,180.96/x
  3. Step 3: Cross multiply
    454,425.48x = 627,357.96 × 273,180.96
  4. Step 4: Simplify right side
    454,425.48x = 171,382,249,776.44
  5. Step 5: Solve for x
    x = 171,382,249,776.44/454,425.48
  6. Step 6: Final answer
    x = 377,140.49

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1.5x scale

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.