Home / 300,217.36-414,350.76-172,869.52

Finding the Fourth Proportional to 300,217.36, 414,350.76 and 172,869.52

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Solution

The fourth proportional to 300,217.36, 414,350.76 and 172,869.52 is: 238,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,217.36 : 414,350.76 = 172,869.52 : x
  2. Step 2: Convert to fraction form
    300,217.36/414,350.76 = 172,869.52/x
  3. Step 3: Cross multiply
    300,217.36x = 414,350.76 × 172,869.52
  4. Step 4: Simplify right side
    300,217.36x = 71,628,616,992.84
  5. Step 5: Solve for x
    x = 71,628,616,992.84/300,217.36
  6. Step 6: Final answer
    x = 238,589.19

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1.5x scale

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.