Home / 221,648.44-332,242.86-103,222.36

Finding the Fourth Proportional to 221,648.44, 332,242.86 and 103,222.36

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Solution

The fourth proportional to 221,648.44, 332,242.86 and 103,222.36 is: 154,726.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,648.44 : 332,242.86 = 103,222.36 : x
  2. Step 2: Convert to fraction form
    221,648.44/332,242.86 = 103,222.36/x
  3. Step 3: Cross multiply
    221,648.44x = 332,242.86 × 103,222.36
  4. Step 4: Simplify right side
    221,648.44x = 34,294,892,102.35
  5. Step 5: Solve for x
    x = 34,294,892,102.35/221,648.44
  6. Step 6: Final answer
    x = 154,726.52

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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.