Home / 238,971.64-329,644.20-149,392.12

Finding the Fourth Proportional to 238,971.64, 329,644.20 and 149,392.12

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Solution

The fourth proportional to 238,971.64, 329,644.20 and 149,392.12 is: 206,075.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,971.64 : 329,644.20 = 149,392.12 : x
  2. Step 2: Convert to fraction form
    238,971.64/329,644.20 = 149,392.12/x
  3. Step 3: Cross multiply
    238,971.64x = 329,644.20 × 149,392.12
  4. Step 4: Simplify right side
    238,971.64x = 49,246,245,883.70
  5. Step 5: Solve for x
    x = 49,246,245,883.70/238,971.64
  6. Step 6: Final answer
    x = 206,075.69

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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.