Home / 311,869.56-467,733.79-143,227.77

Finding the Fourth Proportional to 311,869.56, 467,733.79 and 143,227.77

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Solution

The fourth proportional to 311,869.56, 467,733.79 and 143,227.77 is: 214,809.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,869.56 : 467,733.79 = 143,227.77 : x
  2. Step 2: Convert to fraction form
    311,869.56/467,733.79 = 143,227.77/x
  3. Step 3: Cross multiply
    311,869.56x = 467,733.79 × 143,227.77
  4. Step 4: Simplify right side
    311,869.56x = 66,992,467,695.35
  5. Step 5: Solve for x
    x = 66,992,467,695.35/311,869.56
  6. Step 6: Final answer
    x = 214,809.25

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1.5x scale

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.