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Finding the Fourth Proportional to 219,981.73, 303,574.79 and 119,379.73

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Solution

The fourth proportional to 219,981.73, 303,574.79 and 119,379.73 is: 164,744.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,981.73 : 303,574.79 = 119,379.73 : x
  2. Step 2: Convert to fraction form
    219,981.73/303,574.79 = 119,379.73/x
  3. Step 3: Cross multiply
    219,981.73x = 303,574.79 × 119,379.73
  4. Step 4: Simplify right side
    219,981.73x = 36,240,676,465.01
  5. Step 5: Solve for x
    x = 36,240,676,465.01/219,981.73
  6. Step 6: Final answer
    x = 164,744.03

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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.