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Finding the Fourth Proportional to 371,269.06, 512,351.22 and 201,503.20

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Solution

The fourth proportional to 371,269.06, 512,351.22 and 201,503.20 is: 278,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,269.06 : 512,351.22 = 201,503.20 : x
  2. Step 2: Convert to fraction form
    371,269.06/512,351.22 = 201,503.20/x
  3. Step 3: Cross multiply
    371,269.06x = 512,351.22 × 201,503.20
  4. Step 4: Simplify right side
    371,269.06x = 103,240,410,353.90
  5. Step 5: Solve for x
    x = 103,240,410,353.90/371,269.06
  6. Step 6: Final answer
    x = 278,074.37

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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.