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Finding the Fourth Proportional to 199,813.05, 299,867.40 and 94,632.21

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Solution

The fourth proportional to 199,813.05, 299,867.40 and 94,632.21 is: 142,018.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,813.05 : 299,867.40 = 94,632.21 : x
  2. Step 2: Convert to fraction form
    199,813.05/299,867.40 = 94,632.21/x
  3. Step 3: Cross multiply
    199,813.05x = 299,867.40 × 94,632.21
  4. Step 4: Simplify right side
    199,813.05x = 28,377,114,768.95
  5. Step 5: Solve for x
    x = 28,377,114,768.95/199,813.05
  6. Step 6: Final answer
    x = 142,018.33

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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.