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Finding the Fourth Proportional to 238,273.68, 328,843.92 and 136,308.54

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Solution

The fourth proportional to 238,273.68, 328,843.92 and 136,308.54 is: 188,120.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,273.68 : 328,843.92 = 136,308.54 : x
  2. Step 2: Convert to fraction form
    238,273.68/328,843.92 = 136,308.54/x
  3. Step 3: Cross multiply
    238,273.68x = 328,843.92 × 136,308.54
  4. Step 4: Simplify right side
    238,273.68x = 44,824,234,623.08
  5. Step 5: Solve for x
    x = 44,824,234,623.08/238,273.68
  6. Step 6: Final answer
    x = 188,120.80

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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.