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Finding the Fourth Proportional to 199,382.82, 299,104.16 and 64,401.81

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Solution

The fourth proportional to 199,382.82, 299,104.16 and 64,401.81 is: 96,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,382.82 : 299,104.16 = 64,401.81 : x
  2. Step 2: Convert to fraction form
    199,382.82/299,104.16 = 64,401.81/x
  3. Step 3: Cross multiply
    199,382.82x = 299,104.16 × 64,401.81
  4. Step 4: Simplify right side
    199,382.82x = 19,262,848,960.52
  5. Step 5: Solve for x
    x = 19,262,848,960.52/199,382.82
  6. Step 6: Final answer
    x = 96,612.38

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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.