Home / 245,739.75-339,028.23-143,732.67

Finding the Fourth Proportional to 245,739.75, 339,028.23 and 143,732.67

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Solution

The fourth proportional to 245,739.75, 339,028.23 and 143,732.67 is: 198,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,739.75 : 339,028.23 = 143,732.67 : x
  2. Step 2: Convert to fraction form
    245,739.75/339,028.23 = 143,732.67/x
  3. Step 3: Cross multiply
    245,739.75x = 339,028.23 × 143,732.67
  4. Step 4: Simplify right side
    245,739.75x = 48,729,432,703.27
  5. Step 5: Solve for x
    x = 48,729,432,703.27/245,739.75
  6. Step 6: Final answer
    x = 198,296.91

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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.