Home / 211,970.48-317,660.38-159,318.56

Finding the Fourth Proportional to 211,970.48, 317,660.38 and 159,318.56

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Solution

The fourth proportional to 211,970.48, 317,660.38 and 159,318.56 is: 238,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,970.48 : 317,660.38 = 159,318.56 : x
  2. Step 2: Convert to fraction form
    211,970.48/317,660.38 = 159,318.56/x
  3. Step 3: Cross multiply
    211,970.48x = 317,660.38 × 159,318.56
  4. Step 4: Simplify right side
    211,970.48x = 50,609,194,310.65
  5. Step 5: Solve for x
    x = 50,609,194,310.65/211,970.48
  6. Step 6: Final answer
    x = 238,755.86

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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.