Home / 231,642.10-347,981.55-222,195.70

Finding the Fourth Proportional to 231,642.10, 347,981.55 and 222,195.70

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Solution

The fourth proportional to 231,642.10, 347,981.55 and 222,195.70 is: 333,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,642.10 : 347,981.55 = 222,195.70 : x
  2. Step 2: Convert to fraction form
    231,642.10/347,981.55 = 222,195.70/x
  3. Step 3: Cross multiply
    231,642.10x = 347,981.55 × 222,195.70
  4. Step 4: Simplify right side
    231,642.10x = 77,320,004,089.34
  5. Step 5: Solve for x
    x = 77,320,004,089.34/231,642.10
  6. Step 6: Final answer
    x = 333,790.81

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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.