Home / 211,633.72-317,284.14-144,871.48

Finding the Fourth Proportional to 211,633.72, 317,284.14 and 144,871.48

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Solution

The fourth proportional to 211,633.72, 317,284.14 and 144,871.48 is: 217,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,633.72 : 317,284.14 = 144,871.48 : x
  2. Step 2: Convert to fraction form
    211,633.72/317,284.14 = 144,871.48/x
  3. Step 3: Cross multiply
    211,633.72x = 317,284.14 × 144,871.48
  4. Step 4: Simplify right side
    211,633.72x = 45,965,422,942.33
  5. Step 5: Solve for x
    x = 45,965,422,942.33/211,633.72
  6. Step 6: Final answer
    x = 217,193.29

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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.