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Finding the Fourth Proportional to 371,616, 512,839.44 and 201,850.08

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Solution

The fourth proportional to 371,616, 512,839.44 and 201,850.08 is: 278,558.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,616 : 512,839.44 = 201,850.08 : x
  2. Step 2: Convert to fraction form
    371,616/512,839.44 = 201,850.08/x
  3. Step 3: Cross multiply
    371,616x = 512,839.44 × 201,850.08
  4. Step 4: Simplify right side
    371,616x = 103,516,681,991.16
  5. Step 5: Solve for x
    x = 103,516,681,991.16/371,616
  6. Step 6: Final answer
    x = 278,558.19

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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.