Home / 272,042.24-408,062.81-72,362.86

Finding the Fourth Proportional to 272,042.24, 408,062.81 and 72,362.86

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Solution

The fourth proportional to 272,042.24, 408,062.81 and 72,362.86 is: 108,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,042.24 : 408,062.81 = 72,362.86 : x
  2. Step 2: Convert to fraction form
    272,042.24/408,062.81 = 72,362.86/x
  3. Step 3: Cross multiply
    272,042.24x = 408,062.81 × 72,362.86
  4. Step 4: Simplify right side
    272,042.24x = 29,528,591,151.99
  5. Step 5: Solve for x
    x = 29,528,591,151.99/272,042.24
  6. Step 6: Final answer
    x = 108,544.14

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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.