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Finding the Fourth Proportional to 454,940.45, 627,813.48 and 250,993.01

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Solution

The fourth proportional to 454,940.45, 627,813.48 and 250,993.01 is: 346,367.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,940.45 : 627,813.48 = 250,993.01 : x
  2. Step 2: Convert to fraction form
    454,940.45/627,813.48 = 250,993.01/x
  3. Step 3: Cross multiply
    454,940.45x = 627,813.48 × 250,993.01
  4. Step 4: Simplify right side
    454,940.45x = 157,576,791,924.71
  5. Step 5: Solve for x
    x = 157,576,791,924.71/454,940.45
  6. Step 6: Final answer
    x = 346,367.96

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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.