Home / 221,922.56-332,881.08-211,164.35

Finding the Fourth Proportional to 221,922.56, 332,881.08 and 211,164.35

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Solution

The fourth proportional to 221,922.56, 332,881.08 and 211,164.35 is: 316,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,922.56 : 332,881.08 = 211,164.35 : x
  2. Step 2: Convert to fraction form
    221,922.56/332,881.08 = 211,164.35/x
  3. Step 3: Cross multiply
    221,922.56x = 332,881.08 × 211,164.35
  4. Step 4: Simplify right side
    221,922.56x = 70,292,616,885.50
  5. Step 5: Solve for x
    x = 70,292,616,885.50/221,922.56
  6. Step 6: Final answer
    x = 316,743.90

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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.