Home / 741,136.22-1,111,769.97-208,661.86

Finding the Fourth Proportional to 741,136.22, 1,111,769.97 and 208,661.86

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Solution

The fourth proportional to 741,136.22, 1,111,769.97 and 208,661.86 is: 313,011.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,136.22 : 1,111,769.97 = 208,661.86 : x
  2. Step 2: Convert to fraction form
    741,136.22/1,111,769.97 = 208,661.86/x
  3. Step 3: Cross multiply
    741,136.22x = 1,111,769.97 × 208,661.86
  4. Step 4: Simplify right side
    741,136.22x = 231,983,989,832.34
  5. Step 5: Solve for x
    x = 231,983,989,832.34/741,136.22
  6. Step 6: Final answer
    x = 313,011.27

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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.