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Finding the Fourth Proportional to 286,575.59, 395,466.45 and 159,247.91

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Solution

The fourth proportional to 286,575.59, 395,466.45 and 159,247.91 is: 219,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,575.59 : 395,466.45 = 159,247.91 : x
  2. Step 2: Convert to fraction form
    286,575.59/395,466.45 = 159,247.91/x
  3. Step 3: Cross multiply
    286,575.59x = 395,466.45 × 159,247.91
  4. Step 4: Simplify right side
    286,575.59x = 62,977,205,637.62
  5. Step 5: Solve for x
    x = 62,977,205,637.62/286,575.59
  6. Step 6: Final answer
    x = 219,757.75

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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.