Home / 286,359.06-395,309.82-165,476.74

Finding the Fourth Proportional to 286,359.06, 395,309.82 and 165,476.74

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Solution

The fourth proportional to 286,359.06, 395,309.82 and 165,476.74 is: 228,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,359.06 : 395,309.82 = 165,476.74 : x
  2. Step 2: Convert to fraction form
    286,359.06/395,309.82 = 165,476.74/x
  3. Step 3: Cross multiply
    286,359.06x = 395,309.82 × 165,476.74
  4. Step 4: Simplify right side
    286,359.06x = 65,414,578,078.54
  5. Step 5: Solve for x
    x = 65,414,578,078.54/286,359.06
  6. Step 6: Final answer
    x = 228,435.51

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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.