Home / 271,310.34-373,976.82-213,856.50

Finding the Fourth Proportional to 271,310.34, 373,976.82 and 213,856.50

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Solution

The fourth proportional to 271,310.34, 373,976.82 and 213,856.50 is: 294,781.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,310.34 : 373,976.82 = 213,856.50 : x
  2. Step 2: Convert to fraction form
    271,310.34/373,976.82 = 213,856.50/x
  3. Step 3: Cross multiply
    271,310.34x = 373,976.82 × 213,856.50
  4. Step 4: Simplify right side
    271,310.34x = 79,977,373,806.33
  5. Step 5: Solve for x
    x = 79,977,373,806.33/271,310.34
  6. Step 6: Final answer
    x = 294,781.89

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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.