Home / 211,641.53-317,571.22-140,613.06

Finding the Fourth Proportional to 211,641.53, 317,571.22 and 140,613.06

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Solution

The fourth proportional to 211,641.53, 317,571.22 and 140,613.06 is: 210,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,641.53 : 317,571.22 = 140,613.06 : x
  2. Step 2: Convert to fraction form
    211,641.53/317,571.22 = 140,613.06/x
  3. Step 3: Cross multiply
    211,641.53x = 317,571.22 × 140,613.06
  4. Step 4: Simplify right side
    211,641.53x = 44,654,662,378.79
  5. Step 5: Solve for x
    x = 44,654,662,378.79/211,641.53
  6. Step 6: Final answer
    x = 210,991.97

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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.