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Finding the Fourth Proportional to 454,624.41, 627,352.68 and 250,676.64

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Solution

The fourth proportional to 454,624.41, 627,352.68 and 250,676.64 is: 345,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,624.41 : 627,352.68 = 250,676.64 : x
  2. Step 2: Convert to fraction form
    454,624.41/627,352.68 = 250,676.64/x
  3. Step 3: Cross multiply
    454,624.41x = 627,352.68 × 250,676.64
  4. Step 4: Simplify right side
    454,624.41x = 157,262,661,917.40
  5. Step 5: Solve for x
    x = 157,262,661,917.40/454,624.41
  6. Step 6: Final answer
    x = 345,917.77

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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.