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Finding the Fourth Proportional to 270,419.94, 373,167.54 and 147,910.14

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Solution

The fourth proportional to 270,419.94, 373,167.54 and 147,910.14 is: 204,109.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,419.94 : 373,167.54 = 147,910.14 : x
  2. Step 2: Convert to fraction form
    270,419.94/373,167.54 = 147,910.14/x
  3. Step 3: Cross multiply
    270,419.94x = 373,167.54 × 147,910.14
  4. Step 4: Simplify right side
    270,419.94x = 55,195,263,084.86
  5. Step 5: Solve for x
    x = 55,195,263,084.86/270,419.94
  6. Step 6: Final answer
    x = 204,109.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.