Home / 370,015.20-510,621.02-200,249.33

Finding the Fourth Proportional to 370,015.20, 510,621.02 and 200,249.33

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Solution

The fourth proportional to 370,015.20, 510,621.02 and 200,249.33 is: 276,344.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,015.20 : 510,621.02 = 200,249.33 : x
  2. Step 2: Convert to fraction form
    370,015.20/510,621.02 = 200,249.33/x
  3. Step 3: Cross multiply
    370,015.20x = 510,621.02 × 200,249.33
  4. Step 4: Simplify right side
    370,015.20x = 102,251,513,584.57
  5. Step 5: Solve for x
    x = 102,251,513,584.57/370,015.20
  6. Step 6: Final answer
    x = 276,344.09

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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.