Home / 221,550.39-332,434.02-137,288.01

Finding the Fourth Proportional to 221,550.39, 332,434.02 and 137,288.01

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Solution

The fourth proportional to 221,550.39, 332,434.02 and 137,288.01 is: 205,999.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,550.39 : 332,434.02 = 137,288.01 : x
  2. Step 2: Convert to fraction form
    221,550.39/332,434.02 = 137,288.01/x
  3. Step 3: Cross multiply
    221,550.39x = 332,434.02 × 137,288.01
  4. Step 4: Simplify right side
    221,550.39x = 45,639,206,823.56
  5. Step 5: Solve for x
    x = 45,639,206,823.56/221,550.39
  6. Step 6: Final answer
    x = 205,999.22

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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.