Home / 397,476.52-548,336.66-236,239.95

Finding the Fourth Proportional to 397,476.52, 548,336.66 and 236,239.95

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Solution

The fourth proportional to 397,476.52, 548,336.66 and 236,239.95 is: 325,903.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,476.52 : 548,336.66 = 236,239.95 : x
  2. Step 2: Convert to fraction form
    397,476.52/548,336.66 = 236,239.95/x
  3. Step 3: Cross multiply
    397,476.52x = 548,336.66 × 236,239.95
  4. Step 4: Simplify right side
    397,476.52x = 129,539,025,141.57
  5. Step 5: Solve for x
    x = 129,539,025,141.57/397,476.52
  6. Step 6: Final answer
    x = 325,903.59

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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.