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Finding the Fourth Proportional to 270,144.44, 372,813.68 and 155,440.52

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Solution

The fourth proportional to 270,144.44, 372,813.68 and 155,440.52 is: 214,516.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,144.44 : 372,813.68 = 155,440.52 : x
  2. Step 2: Convert to fraction form
    270,144.44/372,813.68 = 155,440.52/x
  3. Step 3: Cross multiply
    270,144.44x = 372,813.68 × 155,440.52
  4. Step 4: Simplify right side
    270,144.44x = 57,950,352,282.31
  5. Step 5: Solve for x
    x = 57,950,352,282.31/270,144.44
  6. Step 6: Final answer
    x = 214,516.18

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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.