Home / 272,717.79-408,518.98-222,296.50

Finding the Fourth Proportional to 272,717.79, 408,518.98 and 222,296.50

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Solution

The fourth proportional to 272,717.79, 408,518.98 and 222,296.50 is: 332,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,717.79 : 408,518.98 = 222,296.50 : x
  2. Step 2: Convert to fraction form
    272,717.79/408,518.98 = 222,296.50/x
  3. Step 3: Cross multiply
    272,717.79x = 408,518.98 × 222,296.50
  4. Step 4: Simplify right side
    272,717.79x = 90,812,339,392.48
  5. Step 5: Solve for x
    x = 90,812,339,392.48/272,717.79
  6. Step 6: Final answer
    x = 332,990.16

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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.