Home / 320,911.39-481,467.80-192,974.93

Finding the Fourth Proportional to 320,911.39, 481,467.80 and 192,974.93

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Solution

The fourth proportional to 320,911.39, 481,467.80 and 192,974.93 is: 289,522.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,911.39 : 481,467.80 = 192,974.93 : x
  2. Step 2: Convert to fraction form
    320,911.39/481,467.80 = 192,974.93/x
  3. Step 3: Cross multiply
    320,911.39x = 481,467.80 × 192,974.93
  4. Step 4: Simplify right side
    320,911.39x = 92,911,214,037.38
  5. Step 5: Solve for x
    x = 92,911,214,037.38/320,911.39
  6. Step 6: Final answer
    x = 289,522.96

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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.