Home / 330,911.82-496,367.78-231,266.63

Finding the Fourth Proportional to 330,911.82, 496,367.78 and 231,266.63

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Solution

The fourth proportional to 330,911.82, 496,367.78 and 231,266.63 is: 346,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,911.82 : 496,367.78 = 231,266.63 : x
  2. Step 2: Convert to fraction form
    330,911.82/496,367.78 = 231,266.63/x
  3. Step 3: Cross multiply
    330,911.82x = 496,367.78 × 231,266.63
  4. Step 4: Simplify right side
    330,911.82x = 114,793,303,805.77
  5. Step 5: Solve for x
    x = 114,793,303,805.77/330,911.82
  6. Step 6: Final answer
    x = 346,899.98

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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.