Home / 397,424.48-548,440.61-216,132.52

Finding the Fourth Proportional to 397,424.48, 548,440.61 and 216,132.52

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Solution

The fourth proportional to 397,424.48, 548,440.61 and 216,132.52 is: 298,260.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,424.48 : 548,440.61 = 216,132.52 : x
  2. Step 2: Convert to fraction form
    397,424.48/548,440.61 = 216,132.52/x
  3. Step 3: Cross multiply
    397,424.48x = 548,440.61 × 216,132.52
  4. Step 4: Simplify right side
    397,424.48x = 118,535,848,284.27
  5. Step 5: Solve for x
    x = 118,535,848,284.27/397,424.48
  6. Step 6: Final answer
    x = 298,260.06

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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.