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Finding the Fourth Proportional to 285,950.52, 428,761.62 and 108,344.36

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Solution

The fourth proportional to 285,950.52, 428,761.62 and 108,344.36 is: 162,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,950.52 : 428,761.62 = 108,344.36 : x
  2. Step 2: Convert to fraction form
    285,950.52/428,761.62 = 108,344.36/x
  3. Step 3: Cross multiply
    285,950.52x = 428,761.62 × 108,344.36
  4. Step 4: Simplify right side
    285,950.52x = 46,453,903,311.46
  5. Step 5: Solve for x
    x = 46,453,903,311.46/285,950.52
  6. Step 6: Final answer
    x = 162,454.34

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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.