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Finding the Fourth Proportional to 429,773.70, 593,091.23 and 268,722.11

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Solution

The fourth proportional to 429,773.70, 593,091.23 and 268,722.11 is: 370,838.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,773.70 : 593,091.23 = 268,722.11 : x
  2. Step 2: Convert to fraction form
    429,773.70/593,091.23 = 268,722.11/x
  3. Step 3: Cross multiply
    429,773.70x = 593,091.23 × 268,722.11
  4. Step 4: Simplify right side
    429,773.70x = 159,376,722,439.03
  5. Step 5: Solve for x
    x = 159,376,722,439.03/429,773.70
  6. Step 6: Final answer
    x = 370,838.71

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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.