Home / 400,959.06-553,323.94-219,682.58

Finding the Fourth Proportional to 400,959.06, 553,323.94 and 219,682.58

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Solution

The fourth proportional to 400,959.06, 553,323.94 and 219,682.58 is: 303,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,959.06 : 553,323.94 = 219,682.58 : x
  2. Step 2: Convert to fraction form
    400,959.06/553,323.94 = 219,682.58/x
  3. Step 3: Cross multiply
    400,959.06x = 553,323.94 × 219,682.58
  4. Step 4: Simplify right side
    400,959.06x = 121,555,628,497.55
  5. Step 5: Solve for x
    x = 121,555,628,497.55/400,959.06
  6. Step 6: Final answer
    x = 303,162.20

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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.