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Finding the Fourth Proportional to 467,333.28, 644,950.26 and 271,139.94

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Solution

The fourth proportional to 467,333.28, 644,950.26 and 271,139.94 is: 374,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,333.28 : 644,950.26 = 271,139.94 : x
  2. Step 2: Convert to fraction form
    467,333.28/644,950.26 = 271,139.94/x
  3. Step 3: Cross multiply
    467,333.28x = 644,950.26 × 271,139.94
  4. Step 4: Simplify right side
    467,333.28x = 174,871,774,799.38
  5. Step 5: Solve for x
    x = 174,871,774,799.38/467,333.28
  6. Step 6: Final answer
    x = 374,190.72

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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.