Home / 312,826.20-431,702.37-169,588.50

Finding the Fourth Proportional to 312,826.20, 431,702.37 and 169,588.50

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Solution

The fourth proportional to 312,826.20, 431,702.37 and 169,588.50 is: 234,033.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,826.20 : 431,702.37 = 169,588.50 : x
  2. Step 2: Convert to fraction form
    312,826.20/431,702.37 = 169,588.50/x
  3. Step 3: Cross multiply
    312,826.20x = 431,702.37 × 169,588.50
  4. Step 4: Simplify right side
    312,826.20x = 73,211,757,374.75
  5. Step 5: Solve for x
    x = 73,211,757,374.75/312,826.20
  6. Step 6: Final answer
    x = 234,033.33

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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.