Home / 238,740.20-329,351.02-143,080.82

Finding the Fourth Proportional to 238,740.20, 329,351.02 and 143,080.82

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Solution

The fourth proportional to 238,740.20, 329,351.02 and 143,080.82 is: 197,385.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,740.20 : 329,351.02 = 143,080.82 : x
  2. Step 2: Convert to fraction form
    238,740.20/329,351.02 = 143,080.82/x
  3. Step 3: Cross multiply
    238,740.20x = 329,351.02 × 143,080.82
  4. Step 4: Simplify right side
    238,740.20x = 47,123,814,009.44
  5. Step 5: Solve for x
    x = 47,123,814,009.44/238,740.20
  6. Step 6: Final answer
    x = 197,385.33

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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.