Home / 654,115.33-981,173.01-204,871.35

Finding the Fourth Proportional to 654,115.33, 981,173.01 and 204,871.35

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Solution

The fourth proportional to 654,115.33, 981,173.01 and 204,871.35 is: 307,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,115.33 : 981,173.01 = 204,871.35 : x
  2. Step 2: Convert to fraction form
    654,115.33/981,173.01 = 204,871.35/x
  3. Step 3: Cross multiply
    654,115.33x = 981,173.01 × 204,871.35
  4. Step 4: Simplify right side
    654,115.33x = 201,014,239,142.26
  5. Step 5: Solve for x
    x = 201,014,239,142.26/654,115.33
  6. Step 6: Final answer
    x = 307,307.03

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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.