Home / 211,399.74-291,824.67-147,986.46

Finding the Fourth Proportional to 211,399.74, 291,824.67 and 147,986.46

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Solution

The fourth proportional to 211,399.74, 291,824.67 and 147,986.46 is: 204,286.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,399.74 : 291,824.67 = 147,986.46 : x
  2. Step 2: Convert to fraction form
    211,399.74/291,824.67 = 147,986.46/x
  3. Step 3: Cross multiply
    211,399.74x = 291,824.67 × 147,986.46
  4. Step 4: Simplify right side
    211,399.74x = 43,186,099,853.97
  5. Step 5: Solve for x
    x = 43,186,099,853.97/211,399.74
  6. Step 6: Final answer
    x = 204,286.44

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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.