Home / 238,735.46-329,464.34-131,315.49

Finding the Fourth Proportional to 238,735.46, 329,464.34 and 131,315.49

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Solution

The fourth proportional to 238,735.46, 329,464.34 and 131,315.49 is: 181,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,735.46 : 329,464.34 = 131,315.49 : x
  2. Step 2: Convert to fraction form
    238,735.46/329,464.34 = 131,315.49/x
  3. Step 3: Cross multiply
    238,735.46x = 329,464.34 × 131,315.49
  4. Step 4: Simplify right side
    238,735.46x = 43,263,770,588.05
  5. Step 5: Solve for x
    x = 43,263,770,588.05/238,735.46
  6. Step 6: Final answer
    x = 181,220.55

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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.