Home / 397,629.25-548,730.79-216,342.52

Finding the Fourth Proportional to 397,629.25, 548,730.79 and 216,342.52

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Solution

The fourth proportional to 397,629.25, 548,730.79 and 216,342.52 is: 298,554.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,629.25 : 548,730.79 = 216,342.52 : x
  2. Step 2: Convert to fraction form
    397,629.25/548,730.79 = 216,342.52/x
  3. Step 3: Cross multiply
    397,629.25x = 548,730.79 × 216,342.52
  4. Step 4: Simplify right side
    397,629.25x = 118,713,802,453.51
  5. Step 5: Solve for x
    x = 118,713,802,453.51/397,629.25
  6. Step 6: Final answer
    x = 298,554.00

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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.