Home / 905,103.77-1,357,668.03-231,190.66

Finding the Fourth Proportional to 905,103.77, 1,357,668.03 and 231,190.66

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Solution

The fourth proportional to 905,103.77, 1,357,668.03 and 231,190.66 is: 346,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,103.77 : 1,357,668.03 = 231,190.66 : x
  2. Step 2: Convert to fraction form
    905,103.77/1,357,668.03 = 231,190.66/x
  3. Step 3: Cross multiply
    905,103.77x = 1,357,668.03 × 231,190.66
  4. Step 4: Simplify right side
    905,103.77x = 313,880,162,843.77
  5. Step 5: Solve for x
    x = 313,880,162,843.77/905,103.77
  6. Step 6: Final answer
    x = 346,789.15

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1.5x scale

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.