Home / 238,706.23-329,408.02-131,276.25

Finding the Fourth Proportional to 238,706.23, 329,408.02 and 131,276.25

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Solution

The fourth proportional to 238,706.23, 329,408.02 and 131,276.25 is: 181,157.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,706.23 : 329,408.02 = 131,276.25 : x
  2. Step 2: Convert to fraction form
    238,706.23/329,408.02 = 131,276.25/x
  3. Step 3: Cross multiply
    238,706.23x = 329,408.02 × 131,276.25
  4. Step 4: Simplify right side
    238,706.23x = 43,243,449,749.62
  5. Step 5: Solve for x
    x = 43,243,449,749.62/238,706.23
  6. Step 6: Final answer
    x = 181,157.61

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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.