Home / 220,728.48-330,863.04-102,302.43

Finding the Fourth Proportional to 220,728.48, 330,863.04 and 102,302.43

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Solution

The fourth proportional to 220,728.48, 330,863.04 and 102,302.43 is: 153,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,728.48 : 330,863.04 = 102,302.43 : x
  2. Step 2: Convert to fraction form
    220,728.48/330,863.04 = 102,302.43/x
  3. Step 3: Cross multiply
    220,728.48x = 330,863.04 × 102,302.43
  4. Step 4: Simplify right side
    220,728.48x = 33,848,092,989.19
  5. Step 5: Solve for x
    x = 33,848,092,989.19/220,728.48
  6. Step 6: Final answer
    x = 153,347.19

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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.