Home / 353,981.80-530,959.26-143,563.24

Finding the Fourth Proportional to 353,981.80, 530,959.26 and 143,563.24

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Solution

The fourth proportional to 353,981.80, 530,959.26 and 143,563.24 is: 215,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,981.80 : 530,959.26 = 143,563.24 : x
  2. Step 2: Convert to fraction form
    353,981.80/530,959.26 = 143,563.24/x
  3. Step 3: Cross multiply
    353,981.80x = 530,959.26 × 143,563.24
  4. Step 4: Simplify right side
    353,981.80x = 76,226,231,673.60
  5. Step 5: Solve for x
    x = 76,226,231,673.60/353,981.80
  6. Step 6: Final answer
    x = 215,339.41

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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.