Home / 272,943.88-408,806.46-209,295.23

Finding the Fourth Proportional to 272,943.88, 408,806.46 and 209,295.23

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Solution

The fourth proportional to 272,943.88, 408,806.46 and 209,295.23 is: 313,475.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,943.88 : 408,806.46 = 209,295.23 : x
  2. Step 2: Convert to fraction form
    272,943.88/408,806.46 = 209,295.23/x
  3. Step 3: Cross multiply
    272,943.88x = 408,806.46 × 209,295.23
  4. Step 4: Simplify right side
    272,943.88x = 85,561,240,027.15
  5. Step 5: Solve for x
    x = 85,561,240,027.15/272,943.88
  6. Step 6: Final answer
    x = 313,475.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.