Home / 238,736.58-329,346.03-143,077.20

Finding the Fourth Proportional to 238,736.58, 329,346.03 and 143,077.20

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Solution

The fourth proportional to 238,736.58, 329,346.03 and 143,077.20 is: 197,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,736.58 : 329,346.03 = 143,077.20 : x
  2. Step 2: Convert to fraction form
    238,736.58/329,346.03 = 143,077.20/x
  3. Step 3: Cross multiply
    238,736.58x = 329,346.03 × 143,077.20
  4. Step 4: Simplify right side
    238,736.58x = 47,121,907,803.52
  5. Step 5: Solve for x
    x = 47,121,907,803.52/238,736.58
  6. Step 6: Final answer
    x = 197,380.34

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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.