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Finding the Fourth Proportional to 238,745.86, 329,467.66 and 135,399.54

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Solution

The fourth proportional to 238,745.86, 329,467.66 and 135,399.54 is: 186,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,745.86 : 329,467.66 = 135,399.54 : x
  2. Step 2: Convert to fraction form
    238,745.86/329,467.66 = 135,399.54/x
  3. Step 3: Cross multiply
    238,745.86x = 329,467.66 × 135,399.54
  4. Step 4: Simplify right side
    238,745.86x = 44,609,768,259.52
  5. Step 5: Solve for x
    x = 44,609,768,259.52/238,745.86
  6. Step 6: Final answer
    x = 186,850.44

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1.5x scale

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.