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Finding the Fourth Proportional to 220,703.24, 330,825 and 102,277.28

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Solution

The fourth proportional to 220,703.24, 330,825 and 102,277.28 is: 153,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,703.24 : 330,825 = 102,277.28 : x
  2. Step 2: Convert to fraction form
    220,703.24/330,825 = 102,277.28/x
  3. Step 3: Cross multiply
    220,703.24x = 330,825 × 102,277.28
  4. Step 4: Simplify right side
    220,703.24x = 33,835,881,156
  5. Step 5: Solve for x
    x = 33,835,881,156/220,703.24
  6. Step 6: Final answer
    x = 153,309.40

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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.