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Finding the Fourth Proportional to 286,254.82, 395,016.22 and 158,922.21

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Solution

The fourth proportional to 286,254.82, 395,016.22 and 158,922.21 is: 219,304.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,254.82 : 395,016.22 = 158,922.21 : x
  2. Step 2: Convert to fraction form
    286,254.82/395,016.22 = 158,922.21/x
  3. Step 3: Cross multiply
    286,254.82x = 395,016.22 × 158,922.21
  4. Step 4: Simplify right side
    286,254.82x = 62,776,850,668.25
  5. Step 5: Solve for x
    x = 62,776,850,668.25/286,254.82
  6. Step 6: Final answer
    x = 219,304.08

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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.