Home / 355,265.46-531,943.26-270,622.41

Finding the Fourth Proportional to 355,265.46, 531,943.26 and 270,622.41

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Solution

The fourth proportional to 355,265.46, 531,943.26 and 270,622.41 is: 405,206.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,265.46 : 531,943.26 = 270,622.41 : x
  2. Step 2: Convert to fraction form
    355,265.46/531,943.26 = 270,622.41/x
  3. Step 3: Cross multiply
    355,265.46x = 531,943.26 × 270,622.41
  4. Step 4: Simplify right side
    355,265.46x = 143,955,769,143.29
  5. Step 5: Solve for x
    x = 143,955,769,143.29/355,265.46
  6. Step 6: Final answer
    x = 405,206.20

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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.