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Finding the Fourth Proportional to 219,969, 303,557.49 and 119,367

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Solution

The fourth proportional to 219,969, 303,557.49 and 119,367 is: 164,726.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,969 : 303,557.49 = 119,367 : x
  2. Step 2: Convert to fraction form
    219,969/303,557.49 = 119,367/x
  3. Step 3: Cross multiply
    219,969x = 303,557.49 × 119,367
  4. Step 4: Simplify right side
    219,969x = 36,234,746,908.83
  5. Step 5: Solve for x
    x = 36,234,746,908.83/219,969
  6. Step 6: Final answer
    x = 164,726.61

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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.