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Finding the Fourth Proportional to 271,110.65, 373,800.12 and 219,978.59

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Solution

The fourth proportional to 271,110.65, 373,800.12 and 219,978.59 is: 303,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,110.65 : 373,800.12 = 219,978.59 : x
  2. Step 2: Convert to fraction form
    271,110.65/373,800.12 = 219,978.59/x
  3. Step 3: Cross multiply
    271,110.65x = 373,800.12 × 219,978.59
  4. Step 4: Simplify right side
    271,110.65x = 82,228,023,339.43
  5. Step 5: Solve for x
    x = 82,228,023,339.43/271,110.65
  6. Step 6: Final answer
    x = 303,300.60

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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.