Home / 221,733.63-305,901.81-163,729.35

Finding the Fourth Proportional to 221,733.63, 305,901.81 and 163,729.35

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Solution

The fourth proportional to 221,733.63, 305,901.81 and 163,729.35 is: 225,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,733.63 : 305,901.81 = 163,729.35 : x
  2. Step 2: Convert to fraction form
    221,733.63/305,901.81 = 163,729.35/x
  3. Step 3: Cross multiply
    221,733.63x = 305,901.81 × 163,729.35
  4. Step 4: Simplify right side
    221,733.63x = 50,085,104,515.12
  5. Step 5: Solve for x
    x = 50,085,104,515.12/221,733.63
  6. Step 6: Final answer
    x = 225,879.60

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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.