Home / 331,211.95-496,891.23-120,849.28

Finding the Fourth Proportional to 331,211.95, 496,891.23 and 120,849.28

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Solution

The fourth proportional to 331,211.95, 496,891.23 and 120,849.28 is: 181,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,211.95 : 496,891.23 = 120,849.28 : x
  2. Step 2: Convert to fraction form
    331,211.95/496,891.23 = 120,849.28/x
  3. Step 3: Cross multiply
    331,211.95x = 496,891.23 × 120,849.28
  4. Step 4: Simplify right side
    331,211.95x = 60,048,947,383.81
  5. Step 5: Solve for x
    x = 60,048,947,383.81/331,211.95
  6. Step 6: Final answer
    x = 181,300.67

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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.