Home / 427,343.55-589,157.01-274,115.73

Finding the Fourth Proportional to 427,343.55, 589,157.01 and 274,115.73

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Solution

The fourth proportional to 427,343.55, 589,157.01 and 274,115.73 is: 377,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,343.55 : 589,157.01 = 274,115.73 : x
  2. Step 2: Convert to fraction form
    427,343.55/589,157.01 = 274,115.73/x
  3. Step 3: Cross multiply
    427,343.55x = 589,157.01 × 274,115.73
  4. Step 4: Simplify right side
    427,343.55x = 161,497,203,880.77
  5. Step 5: Solve for x
    x = 161,497,203,880.77/427,343.55
  6. Step 6: Final answer
    x = 377,909.54

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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.