Home / 221,749.50-305,654.94-173,266.68

Finding the Fourth Proportional to 221,749.50, 305,654.94 and 173,266.68

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Solution

The fourth proportional to 221,749.50, 305,654.94 and 173,266.68 is: 238,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,749.50 : 305,654.94 = 173,266.68 : x
  2. Step 2: Convert to fraction form
    221,749.50/305,654.94 = 173,266.68/x
  3. Step 3: Cross multiply
    221,749.50x = 305,654.94 × 173,266.68
  4. Step 4: Simplify right side
    221,749.50x = 52,959,816,679.40
  5. Step 5: Solve for x
    x = 52,959,816,679.40/221,749.50
  6. Step 6: Final answer
    x = 238,827.22

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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.