Home / 238,764.74-329,493.71-135,418.59

Finding the Fourth Proportional to 238,764.74, 329,493.71 and 135,418.59

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Solution

The fourth proportional to 238,764.74, 329,493.71 and 135,418.59 is: 186,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,764.74 : 329,493.71 = 135,418.59 : x
  2. Step 2: Convert to fraction form
    238,764.74/329,493.71 = 135,418.59/x
  3. Step 3: Cross multiply
    238,764.74x = 329,493.71 × 135,418.59
  4. Step 4: Simplify right side
    238,764.74x = 44,619,572,944.98
  5. Step 5: Solve for x
    x = 44,619,572,944.98/238,764.74
  6. Step 6: Final answer
    x = 186,876.73

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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.