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Finding the Fourth Proportional to 271,110.40, 373,799.78 and 219,978.34

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Solution

The fourth proportional to 271,110.40, 373,799.78 and 219,978.34 is: 303,300.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,110.40 : 373,799.78 = 219,978.34 : x
  2. Step 2: Convert to fraction form
    271,110.40/373,799.78 = 219,978.34/x
  3. Step 3: Cross multiply
    271,110.40x = 373,799.78 × 219,978.34
  4. Step 4: Simplify right side
    271,110.40x = 82,227,855,096.77
  5. Step 5: Solve for x
    x = 82,227,855,096.77/271,110.40
  6. Step 6: Final answer
    x = 303,300.26

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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.