Home / 215,382.48-323,139.84-110,275.24

Finding the Fourth Proportional to 215,382.48, 323,139.84 and 110,275.24

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Solution

The fourth proportional to 215,382.48, 323,139.84 and 110,275.24 is: 165,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,382.48 : 323,139.84 = 110,275.24 : x
  2. Step 2: Convert to fraction form
    215,382.48/323,139.84 = 110,275.24/x
  3. Step 3: Cross multiply
    215,382.48x = 323,139.84 × 110,275.24
  4. Step 4: Simplify right side
    215,382.48x = 35,634,323,409.56
  5. Step 5: Solve for x
    x = 35,634,323,409.56/215,382.48
  6. Step 6: Final answer
    x = 165,446.71

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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.