Home / 238,735.58-329,344.65-143,076.20

Finding the Fourth Proportional to 238,735.58, 329,344.65 and 143,076.20

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Solution

The fourth proportional to 238,735.58, 329,344.65 and 143,076.20 is: 197,378.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,735.58 : 329,344.65 = 143,076.20 : x
  2. Step 2: Convert to fraction form
    238,735.58/329,344.65 = 143,076.20/x
  3. Step 3: Cross multiply
    238,735.58x = 329,344.65 × 143,076.20
  4. Step 4: Simplify right side
    238,735.58x = 47,121,379,365.61
  5. Step 5: Solve for x
    x = 47,121,379,365.61/238,735.58
  6. Step 6: Final answer
    x = 197,378.96

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1.5x scale

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.