Home / 286,252.82-395,013.46-158,920.21

Finding the Fourth Proportional to 286,252.82, 395,013.46 and 158,920.21

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Solution

The fourth proportional to 286,252.82, 395,013.46 and 158,920.21 is: 219,301.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,252.82 : 395,013.46 = 158,920.21 : x
  2. Step 2: Convert to fraction form
    286,252.82/395,013.46 = 158,920.21/x
  3. Step 3: Cross multiply
    286,252.82x = 395,013.46 × 158,920.21
  4. Step 4: Simplify right side
    286,252.82x = 62,775,622,410.47
  5. Step 5: Solve for x
    x = 62,775,622,410.47/286,252.82
  6. Step 6: Final answer
    x = 219,301.32

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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.