Home / 220,315.44-304,028.32-129,650.52

Finding the Fourth Proportional to 220,315.44, 304,028.32 and 129,650.52

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Solution

The fourth proportional to 220,315.44, 304,028.32 and 129,650.52 is: 178,913.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,315.44 : 304,028.32 = 129,650.52 : x
  2. Step 2: Convert to fraction form
    220,315.44/304,028.32 = 129,650.52/x
  3. Step 3: Cross multiply
    220,315.44x = 304,028.32 × 129,650.52
  4. Step 4: Simplify right side
    220,315.44x = 39,417,429,782.73
  5. Step 5: Solve for x
    x = 39,417,429,782.73/220,315.44
  6. Step 6: Final answer
    x = 178,913.61

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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.