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Finding the Fourth Proportional to 350,337.20, 483,465.80 and 199,434

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Solution

The fourth proportional to 350,337.20, 483,465.80 and 199,434 is: 275,219.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,337.20 : 483,465.80 = 199,434 : x
  2. Step 2: Convert to fraction form
    350,337.20/483,465.80 = 199,434/x
  3. Step 3: Cross multiply
    350,337.20x = 483,465.80 × 199,434
  4. Step 4: Simplify right side
    350,337.20x = 96,419,518,357.20
  5. Step 5: Solve for x
    x = 96,419,518,357.20/350,337.20
  6. Step 6: Final answer
    x = 275,219.18

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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.