Home / 324,621.20-487,392.60-200,205.20

Finding the Fourth Proportional to 324,621.20, 487,392.60 and 200,205.20

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Solution

The fourth proportional to 324,621.20, 487,392.60 and 200,205.20 is: 300,591.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,621.20 : 487,392.60 = 200,205.20 : x
  2. Step 2: Convert to fraction form
    324,621.20/487,392.60 = 200,205.20/x
  3. Step 3: Cross multiply
    324,621.20x = 487,392.60 × 200,205.20
  4. Step 4: Simplify right side
    324,621.20x = 97,578,532,961.52
  5. Step 5: Solve for x
    x = 97,578,532,961.52/324,621.20
  6. Step 6: Final answer
    x = 300,591.99

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1.5x scale

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.