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Finding the Fourth Proportional to 383,818.11, 574,529.13 and 282,730.14

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Solution

The fourth proportional to 383,818.11, 574,529.13 and 282,730.14 is: 423,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,818.11 : 574,529.13 = 282,730.14 : x
  2. Step 2: Convert to fraction form
    383,818.11/574,529.13 = 282,730.14/x
  3. Step 3: Cross multiply
    383,818.11x = 574,529.13 × 282,730.14
  4. Step 4: Simplify right side
    383,818.11x = 162,436,701,358.98
  5. Step 5: Solve for x
    x = 162,436,701,358.98/383,818.11
  6. Step 6: Final answer
    x = 423,212.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.