Home / 220,558.25-304,369.75-122,456.47

Finding the Fourth Proportional to 220,558.25, 304,369.75 and 122,456.47

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Solution

The fourth proportional to 220,558.25, 304,369.75 and 122,456.47 is: 168,989.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,558.25 : 304,369.75 = 122,456.47 : x
  2. Step 2: Convert to fraction form
    220,558.25/304,369.75 = 122,456.47/x
  3. Step 3: Cross multiply
    220,558.25x = 304,369.75 × 122,456.47
  4. Step 4: Simplify right side
    220,558.25x = 37,272,043,025.65
  5. Step 5: Solve for x
    x = 37,272,043,025.65/220,558.25
  6. Step 6: Final answer
    x = 168,989.57

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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.