Home / 238,431.39-329,016.22-136,433.47

Finding the Fourth Proportional to 238,431.39, 329,016.22 and 136,433.47

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Solution

The fourth proportional to 238,431.39, 329,016.22 and 136,433.47 is: 188,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,431.39 : 329,016.22 = 136,433.47 : x
  2. Step 2: Convert to fraction form
    238,431.39/329,016.22 = 136,433.47/x
  3. Step 3: Cross multiply
    238,431.39x = 329,016.22 × 136,433.47
  4. Step 4: Simplify right side
    238,431.39x = 44,888,822,935.80
  5. Step 5: Solve for x
    x = 44,888,822,935.80/238,431.39
  6. Step 6: Final answer
    x = 188,267.26

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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.