Home / 286,258.92-395,049.64-158,934.50

Finding the Fourth Proportional to 286,258.92, 395,049.64 and 158,934.50

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Solution

The fourth proportional to 286,258.92, 395,049.64 and 158,934.50 is: 219,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,258.92 : 395,049.64 = 158,934.50 : x
  2. Step 2: Convert to fraction form
    286,258.92/395,049.64 = 158,934.50/x
  3. Step 3: Cross multiply
    286,258.92x = 395,049.64 × 158,934.50
  4. Step 4: Simplify right side
    286,258.92x = 62,787,017,008.58
  5. Step 5: Solve for x
    x = 62,787,017,008.58/286,258.92
  6. Step 6: Final answer
    x = 219,336.46

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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.