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Finding the Fourth Proportional to 371,087.27, 512,101.42 and 201,321.39

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Solution

The fourth proportional to 371,087.27, 512,101.42 and 201,321.39 is: 277,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,087.27 : 512,101.42 = 201,321.39 : x
  2. Step 2: Convert to fraction form
    371,087.27/512,101.42 = 201,321.39/x
  3. Step 3: Cross multiply
    371,087.27x = 512,101.42 × 201,321.39
  4. Step 4: Simplify right side
    371,087.27x = 103,096,969,695.37
  5. Step 5: Solve for x
    x = 103,096,969,695.37/371,087.27
  6. Step 6: Final answer
    x = 277,824.05

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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.