Home / 422,123.30-582,524.36-231,136.67

Finding the Fourth Proportional to 422,123.30, 582,524.36 and 231,136.67

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Solution

The fourth proportional to 422,123.30, 582,524.36 and 231,136.67 is: 318,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,123.30 : 582,524.36 = 231,136.67 : x
  2. Step 2: Convert to fraction form
    422,123.30/582,524.36 = 231,136.67/x
  3. Step 3: Cross multiply
    422,123.30x = 582,524.36 × 231,136.67
  4. Step 4: Simplify right side
    422,123.30x = 134,642,741,931.67
  5. Step 5: Solve for x
    x = 134,642,741,931.67/422,123.30
  6. Step 6: Final answer
    x = 318,965.44

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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.