Home / 571,896.20-857,836.09-139,619.24

Finding the Fourth Proportional to 571,896.20, 857,836.09 and 139,619.24

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Solution

The fourth proportional to 571,896.20, 857,836.09 and 139,619.24 is: 209,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,896.20 : 857,836.09 = 139,619.24 : x
  2. Step 2: Convert to fraction form
    571,896.20/857,836.09 = 139,619.24/x
  3. Step 3: Cross multiply
    571,896.20x = 857,836.09 × 139,619.24
  4. Step 4: Simplify right side
    571,896.20x = 119,770,426,072.57
  5. Step 5: Solve for x
    x = 119,770,426,072.57/571,896.20
  6. Step 6: Final answer
    x = 209,426.86

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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.