Home / 238,973.64-329,646.96-149,394.12

Finding the Fourth Proportional to 238,973.64, 329,646.96 and 149,394.12

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Solution

The fourth proportional to 238,973.64, 329,646.96 and 149,394.12 is: 206,078.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,973.64 : 329,646.96 = 149,394.12 : x
  2. Step 2: Convert to fraction form
    238,973.64/329,646.96 = 149,394.12/x
  3. Step 3: Cross multiply
    238,973.64x = 329,646.96 × 149,394.12
  4. Step 4: Simplify right side
    238,973.64x = 49,247,317,499.88
  5. Step 5: Solve for x
    x = 49,247,317,499.88/238,973.64
  6. Step 6: Final answer
    x = 206,078.45

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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.