Home / 309,621.44-426,882.08-200,533.07

Finding the Fourth Proportional to 309,621.44, 426,882.08 and 200,533.07

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Solution

The fourth proportional to 309,621.44, 426,882.08 and 200,533.07 is: 276,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,621.44 : 426,882.08 = 200,533.07 : x
  2. Step 2: Convert to fraction form
    309,621.44/426,882.08 = 200,533.07/x
  3. Step 3: Cross multiply
    309,621.44x = 426,882.08 × 200,533.07
  4. Step 4: Simplify right side
    309,621.44x = 85,603,975,598.92
  5. Step 5: Solve for x
    x = 85,603,975,598.92/309,621.44
  6. Step 6: Final answer
    x = 276,479.48

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1.5x scale

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.