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Finding the Fourth Proportional to 365,696.23, 548,596.82 and 112,998.79

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Solution

The fourth proportional to 365,696.23, 548,596.82 and 112,998.79 is: 169,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,696.23 : 548,596.82 = 112,998.79 : x
  2. Step 2: Convert to fraction form
    365,696.23/548,596.82 = 112,998.79/x
  3. Step 3: Cross multiply
    365,696.23x = 548,596.82 × 112,998.79
  4. Step 4: Simplify right side
    365,696.23x = 61,990,775,768.85
  5. Step 5: Solve for x
    x = 61,990,775,768.85/365,696.23
  6. Step 6: Final answer
    x = 169,514.40

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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.