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Finding the Fourth Proportional to 238,798.87, 329,529.44 and 131,351.56

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Solution

The fourth proportional to 238,798.87, 329,529.44 and 131,351.56 is: 181,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,798.87 : 329,529.44 = 131,351.56 : x
  2. Step 2: Convert to fraction form
    238,798.87/329,529.44 = 131,351.56/x
  3. Step 3: Cross multiply
    238,798.87x = 329,529.44 × 131,351.56
  4. Step 4: Simplify right side
    238,798.87x = 43,284,203,705.52
  5. Step 5: Solve for x
    x = 43,284,203,705.52/238,798.87
  6. Step 6: Final answer
    x = 181,258.00

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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.