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Finding the Fourth Proportional to 270,145.44, 372,815.06 and 155,441.52

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Solution

The fourth proportional to 270,145.44, 372,815.06 and 155,441.52 is: 214,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,145.44 : 372,815.06 = 155,441.52 : x
  2. Step 2: Convert to fraction form
    270,145.44/372,815.06 = 155,441.52/x
  3. Step 3: Cross multiply
    270,145.44x = 372,815.06 × 155,441.52
  4. Step 4: Simplify right side
    270,145.44x = 57,950,939,605.29
  5. Step 5: Solve for x
    x = 57,950,939,605.29/270,145.44
  6. Step 6: Final answer
    x = 214,517.56

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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.