Home / 340,474.24-509,467.20-200,298.88

Finding the Fourth Proportional to 340,474.24, 509,467.20 and 200,298.88

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Solution

The fourth proportional to 340,474.24, 509,467.20 and 200,298.88 is: 299,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,474.24 : 509,467.20 = 200,298.88 : x
  2. Step 2: Convert to fraction form
    340,474.24/509,467.20 = 200,298.88/x
  3. Step 3: Cross multiply
    340,474.24x = 509,467.20 × 200,298.88
  4. Step 4: Simplify right side
    340,474.24x = 102,045,709,556.74
  5. Step 5: Solve for x
    x = 102,045,709,556.74/340,474.24
  6. Step 6: Final answer
    x = 299,716.39

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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.