Home / 238,707.68-329,417.79-131,284.58

Finding the Fourth Proportional to 238,707.68, 329,417.79 and 131,284.58

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Solution

The fourth proportional to 238,707.68, 329,417.79 and 131,284.58 is: 181,173.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,707.68 : 329,417.79 = 131,284.58 : x
  2. Step 2: Convert to fraction form
    238,707.68/329,417.79 = 131,284.58/x
  3. Step 3: Cross multiply
    238,707.68x = 329,417.79 × 131,284.58
  4. Step 4: Simplify right side
    238,707.68x = 43,247,476,204.68
  5. Step 5: Solve for x
    x = 43,247,476,204.68/238,707.68
  6. Step 6: Final answer
    x = 181,173.38

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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.