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Finding the Fourth Proportional to 238,549.41, 329,200.74 and 129,653.73

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Solution

The fourth proportional to 238,549.41, 329,200.74 and 129,653.73 is: 178,923.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,549.41 : 329,200.74 = 129,653.73 : x
  2. Step 2: Convert to fraction form
    238,549.41/329,200.74 = 129,653.73/x
  3. Step 3: Cross multiply
    238,549.41x = 329,200.74 × 129,653.73
  4. Step 4: Simplify right side
    238,549.41x = 42,682,103,859.76
  5. Step 5: Solve for x
    x = 42,682,103,859.76/238,549.41
  6. Step 6: Final answer
    x = 178,923.54

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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.