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Finding the Fourth Proportional to 627,139.20, 940,436.64 and 227,647.20

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Solution

The fourth proportional to 627,139.20, 940,436.64 and 227,647.20 is: 341,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,139.20 : 940,436.64 = 227,647.20 : x
  2. Step 2: Convert to fraction form
    627,139.20/940,436.64 = 227,647.20/x
  3. Step 3: Cross multiply
    627,139.20x = 940,436.64 × 227,647.20
  4. Step 4: Simplify right side
    627,139.20x = 214,087,767,873.41
  5. Step 5: Solve for x
    x = 214,087,767,873.41/627,139.20
  6. Step 6: Final answer
    x = 341,372.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.