Home / 397,208.48-548,158.20-227,497.28

Finding the Fourth Proportional to 397,208.48, 548,158.20 and 227,497.28

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Solution

The fourth proportional to 397,208.48, 548,158.20 and 227,497.28 is: 313,952.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,208.48 : 548,158.20 = 227,497.28 : x
  2. Step 2: Convert to fraction form
    397,208.48/548,158.20 = 227,497.28/x
  3. Step 3: Cross multiply
    397,208.48x = 548,158.20 × 227,497.28
  4. Step 4: Simplify right side
    397,208.48x = 124,704,499,509.70
  5. Step 5: Solve for x
    x = 124,704,499,509.70/397,208.48
  6. Step 6: Final answer
    x = 313,952.26

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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.