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Finding the Fourth Proportional to 371,087.52, 512,101.74 and 201,321.64

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Solution

The fourth proportional to 371,087.52, 512,101.74 and 201,321.64 is: 277,824.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,087.52 : 512,101.74 = 201,321.64 : x
  2. Step 2: Convert to fraction form
    371,087.52/512,101.74 = 201,321.64/x
  3. Step 3: Cross multiply
    371,087.52x = 512,101.74 × 201,321.64
  4. Step 4: Simplify right side
    371,087.52x = 103,097,162,143.65
  5. Step 5: Solve for x
    x = 103,097,162,143.65/371,087.52
  6. Step 6: Final answer
    x = 277,824.39

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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.