Home / 221,022.09-304,930.44-144,584.73

Finding the Fourth Proportional to 221,022.09, 304,930.44 and 144,584.73

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Solution

The fourth proportional to 221,022.09, 304,930.44 and 144,584.73 is: 199,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,022.09 : 304,930.44 = 144,584.73 : x
  2. Step 2: Convert to fraction form
    221,022.09/304,930.44 = 144,584.73/x
  3. Step 3: Cross multiply
    221,022.09x = 304,930.44 × 144,584.73
  4. Step 4: Simplify right side
    221,022.09x = 44,088,285,336.18
  5. Step 5: Solve for x
    x = 44,088,285,336.18/221,022.09
  6. Step 6: Final answer
    x = 199,474.57

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1.5x scale

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.