Home / 286,915.23-395,941.86-159,590.82

Finding the Fourth Proportional to 286,915.23, 395,941.86 and 159,590.82

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Solution

The fourth proportional to 286,915.23, 395,941.86 and 159,590.82 is: 220,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,915.23 : 395,941.86 = 159,590.82 : x
  2. Step 2: Convert to fraction form
    286,915.23/395,941.86 = 159,590.82/x
  3. Step 3: Cross multiply
    286,915.23x = 395,941.86 × 159,590.82
  4. Step 4: Simplify right side
    286,915.23x = 63,188,686,109.73
  5. Step 5: Solve for x
    x = 63,188,686,109.73/286,915.23
  6. Step 6: Final answer
    x = 220,234.69

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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.