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Finding the Fourth Proportional to 238,494.12, 329,120.58 and 129,597.48

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Solution

The fourth proportional to 238,494.12, 329,120.58 and 129,597.48 is: 178,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,494.12 : 329,120.58 = 129,597.48 : x
  2. Step 2: Convert to fraction form
    238,494.12/329,120.58 = 129,597.48/x
  3. Step 3: Cross multiply
    238,494.12x = 329,120.58 × 129,597.48
  4. Step 4: Simplify right side
    238,494.12x = 42,653,197,784.14
  5. Step 5: Solve for x
    x = 42,653,197,784.14/238,494.12
  6. Step 6: Final answer
    x = 178,843.81

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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.