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Finding the Fourth Proportional to 219,995.54, 303,594 and 119,393.54

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Solution

The fourth proportional to 219,995.54, 303,594 and 119,393.54 is: 164,763.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,995.54 : 303,594 = 119,393.54 : x
  2. Step 2: Convert to fraction form
    219,995.54/303,594 = 119,393.54/x
  3. Step 3: Cross multiply
    219,995.54x = 303,594 × 119,393.54
  4. Step 4: Simplify right side
    219,995.54x = 36,247,162,382.76
  5. Step 5: Solve for x
    x = 36,247,162,382.76/219,995.54
  6. Step 6: Final answer
    x = 164,763.17

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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.