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Finding the Fourth Proportional to 454,943.94, 627,800.71 and 248,200.02

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Solution

The fourth proportional to 454,943.94, 627,800.71 and 248,200.02 is: 342,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,943.94 : 627,800.71 = 248,200.02 : x
  2. Step 2: Convert to fraction form
    454,943.94/627,800.71 = 248,200.02/x
  3. Step 3: Cross multiply
    454,943.94x = 627,800.71 × 248,200.02
  4. Step 4: Simplify right side
    454,943.94x = 155,820,148,778.01
  5. Step 5: Solve for x
    x = 155,820,148,778.01/454,943.94
  6. Step 6: Final answer
    x = 342,504.06

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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.