Home / 238,904.28-329,680.71-131,474.16

Finding the Fourth Proportional to 238,904.28, 329,680.71 and 131,474.16

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Solution

The fourth proportional to 238,904.28, 329,680.71 and 131,474.16 is: 181,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,904.28 : 329,680.71 = 131,474.16 : x
  2. Step 2: Convert to fraction form
    238,904.28/329,680.71 = 131,474.16/x
  3. Step 3: Cross multiply
    238,904.28x = 329,680.71 × 131,474.16
  4. Step 4: Simplify right side
    238,904.28x = 43,344,494,415.45
  5. Step 5: Solve for x
    x = 43,344,494,415.45/238,904.28
  6. Step 6: Final answer
    x = 181,430.38

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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.