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Finding the Fourth Proportional to 454,404.48, 627,114.25 and 250,491.69

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Solution

The fourth proportional to 454,404.48, 627,114.25 and 250,491.69 is: 345,698.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,404.48 : 627,114.25 = 250,491.69 : x
  2. Step 2: Convert to fraction form
    454,404.48/627,114.25 = 250,491.69/x
  3. Step 3: Cross multiply
    454,404.48x = 627,114.25 × 250,491.69
  4. Step 4: Simplify right side
    454,404.48x = 157,086,908,618.70
  5. Step 5: Solve for x
    x = 157,086,908,618.70/454,404.48
  6. Step 6: Final answer
    x = 345,698.41

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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.