Home / 220,442.28-304,212.90-122,327.54

Finding the Fourth Proportional to 220,442.28, 304,212.90 and 122,327.54

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Solution

The fourth proportional to 220,442.28, 304,212.90 and 122,327.54 is: 168,813.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,442.28 : 304,212.90 = 122,327.54 : x
  2. Step 2: Convert to fraction form
    220,442.28/304,212.90 = 122,327.54/x
  3. Step 3: Cross multiply
    220,442.28x = 304,212.90 × 122,327.54
  4. Step 4: Simplify right side
    220,442.28x = 37,213,614,401.57
  5. Step 5: Solve for x
    x = 37,213,614,401.57/220,442.28
  6. Step 6: Final answer
    x = 168,813.42

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1.5x scale

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.