Home / 353,826.45-530,958.38-143,466.21

Finding the Fourth Proportional to 353,826.45, 530,958.38 and 143,466.21

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Solution

The fourth proportional to 353,826.45, 530,958.38 and 143,466.21 is: 215,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,826.45 : 530,958.38 = 143,466.21 : x
  2. Step 2: Convert to fraction form
    353,826.45/530,958.38 = 143,466.21/x
  3. Step 3: Cross multiply
    353,826.45x = 530,958.38 × 143,466.21
  4. Step 4: Simplify right side
    353,826.45x = 76,174,585,729.01
  5. Step 5: Solve for x
    x = 76,174,585,729.01/353,826.45
  6. Step 6: Final answer
    x = 215,287.99

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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.