Home / 312,826.95-431,703.41-169,589.25

Finding the Fourth Proportional to 312,826.95, 431,703.41 and 169,589.25

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Solution

The fourth proportional to 312,826.95, 431,703.41 and 169,589.25 is: 234,034.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,826.95 : 431,703.41 = 169,589.25 : x
  2. Step 2: Convert to fraction form
    312,826.95/431,703.41 = 169,589.25/x
  3. Step 3: Cross multiply
    312,826.95x = 431,703.41 × 169,589.25
  4. Step 4: Simplify right side
    312,826.95x = 73,212,256,676.40
  5. Step 5: Solve for x
    x = 73,212,256,676.40/312,826.95
  6. Step 6: Final answer
    x = 234,034.37

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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.