Home / 272,730.91-408,538.66-222,309.63

Finding the Fourth Proportional to 272,730.91, 408,538.66 and 222,309.63

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Solution

The fourth proportional to 272,730.91, 408,538.66 and 222,309.63 is: 333,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,730.91 : 408,538.66 = 222,309.63 : x
  2. Step 2: Convert to fraction form
    272,730.91/408,538.66 = 222,309.63/x
  3. Step 3: Cross multiply
    272,730.91x = 408,538.66 × 222,309.63
  4. Step 4: Simplify right side
    272,730.91x = 90,822,078,345.30
  5. Step 5: Solve for x
    x = 90,822,078,345.30/272,730.91
  6. Step 6: Final answer
    x = 333,009.85

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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.