Home / 238,707.43-329,409.69-131,277.47

Finding the Fourth Proportional to 238,707.43, 329,409.69 and 131,277.47

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Solution

The fourth proportional to 238,707.43, 329,409.69 and 131,277.47 is: 181,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,707.43 : 329,409.69 = 131,277.47 : x
  2. Step 2: Convert to fraction form
    238,707.43/329,409.69 = 131,277.47/x
  3. Step 3: Cross multiply
    238,707.43x = 329,409.69 × 131,277.47
  4. Step 4: Simplify right side
    238,707.43x = 43,244,070,696.68
  5. Step 5: Solve for x
    x = 43,244,070,696.68/238,707.43
  6. Step 6: Final answer
    x = 181,159.30

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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.