Home / 238,742.47-329,464.67-131,319.77

Finding the Fourth Proportional to 238,742.47, 329,464.67 and 131,319.77

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Solution

The fourth proportional to 238,742.47, 329,464.67 and 131,319.77 is: 181,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,742.47 : 329,464.67 = 131,319.77 : x
  2. Step 2: Convert to fraction form
    238,742.47/329,464.67 = 131,319.77/x
  3. Step 3: Cross multiply
    238,742.47x = 329,464.67 × 131,319.77
  4. Step 4: Simplify right side
    238,742.47x = 43,265,222,383.60
  5. Step 5: Solve for x
    x = 43,265,222,383.60/238,742.47
  6. Step 6: Final answer
    x = 181,221.31

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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.