Home / 311,583.24-430,157.79-204,310.89

Finding the Fourth Proportional to 311,583.24, 430,157.79 and 204,310.89

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Solution

The fourth proportional to 311,583.24, 430,157.79 and 204,310.89 is: 282,062.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,583.24 : 430,157.79 = 204,310.89 : x
  2. Step 2: Convert to fraction form
    311,583.24/430,157.79 = 204,310.89/x
  3. Step 3: Cross multiply
    311,583.24x = 430,157.79 × 204,310.89
  4. Step 4: Simplify right side
    311,583.24x = 87,885,920,915.33
  5. Step 5: Solve for x
    x = 87,885,920,915.33/311,583.24
  6. Step 6: Final answer
    x = 282,062.41

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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.