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Finding the Fourth Proportional to 371,530.40, 512,793.60 and 244,217.84

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Solution

The fourth proportional to 371,530.40, 512,793.60 and 244,217.84 is: 337,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,530.40 : 512,793.60 = 244,217.84 : x
  2. Step 2: Convert to fraction form
    371,530.40/512,793.60 = 244,217.84/x
  3. Step 3: Cross multiply
    371,530.40x = 512,793.60 × 244,217.84
  4. Step 4: Simplify right side
    371,530.40x = 125,233,345,357.82
  5. Step 5: Solve for x
    x = 125,233,345,357.82/371,530.40
  6. Step 6: Final answer
    x = 337,074.29

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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.