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Finding the Fourth Proportional to 199,572.66, 299,511.27 and 73,332.54

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Solution

The fourth proportional to 199,572.66, 299,511.27 and 73,332.54 is: 110,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,572.66 : 299,511.27 = 73,332.54 : x
  2. Step 2: Convert to fraction form
    199,572.66/299,511.27 = 73,332.54/x
  3. Step 3: Cross multiply
    199,572.66x = 299,511.27 × 73,332.54
  4. Step 4: Simplify right side
    199,572.66x = 21,963,922,187.73
  5. Step 5: Solve for x
    x = 21,963,922,187.73/199,572.66
  6. Step 6: Final answer
    x = 110,054.76

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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.