Home / 238,848.66-329,619.09-131,426.58

Finding the Fourth Proportional to 238,848.66, 329,619.09 and 131,426.58

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Solution

The fourth proportional to 238,848.66, 329,619.09 and 131,426.58 is: 181,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,848.66 : 329,619.09 = 131,426.58 : x
  2. Step 2: Convert to fraction form
    238,848.66/329,619.09 = 131,426.58/x
  3. Step 3: Cross multiply
    238,848.66x = 329,619.09 × 131,426.58
  4. Step 4: Simplify right side
    238,848.66x = 43,320,709,701.41
  5. Step 5: Solve for x
    x = 43,320,709,701.41/238,848.66
  6. Step 6: Final answer
    x = 181,373.05

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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.