Home / 220,442.41-304,213.07-122,327.66

Finding the Fourth Proportional to 220,442.41, 304,213.07 and 122,327.66

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Solution

The fourth proportional to 220,442.41, 304,213.07 and 122,327.66 is: 168,813.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,442.41 : 304,213.07 = 122,327.66 : x
  2. Step 2: Convert to fraction form
    220,442.41/304,213.07 = 122,327.66/x
  3. Step 3: Cross multiply
    220,442.41x = 304,213.07 × 122,327.66
  4. Step 4: Simplify right side
    220,442.41x = 37,213,673,719.83
  5. Step 5: Solve for x
    x = 37,213,673,719.83/220,442.41
  6. Step 6: Final answer
    x = 168,813.59

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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.