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Finding the Fourth Proportional to 228,467.99, 342,498.53 and 108,450.90

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Solution

The fourth proportional to 228,467.99, 342,498.53 and 108,450.90 is: 162,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,467.99 : 342,498.53 = 108,450.90 : x
  2. Step 2: Convert to fraction form
    228,467.99/342,498.53 = 108,450.90/x
  3. Step 3: Cross multiply
    228,467.99x = 342,498.53 × 108,450.90
  4. Step 4: Simplify right side
    228,467.99x = 37,144,274,098.30
  5. Step 5: Solve for x
    x = 37,144,274,098.30/228,467.99
  6. Step 6: Final answer
    x = 162,579.77

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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.