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Finding the Fourth Proportional to 454,425.96, 627,112.23 and 250,484.88

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Solution

The fourth proportional to 454,425.96, 627,112.23 and 250,484.88 is: 345,671.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,425.96 : 627,112.23 = 250,484.88 : x
  2. Step 2: Convert to fraction form
    454,425.96/627,112.23 = 250,484.88/x
  3. Step 3: Cross multiply
    454,425.96x = 627,112.23 × 250,484.88
  4. Step 4: Simplify right side
    454,425.96x = 157,082,131,678.08
  5. Step 5: Solve for x
    x = 157,082,131,678.08/454,425.96
  6. Step 6: Final answer
    x = 345,671.56

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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.