Home / 751,178.30-1,126,808.49-190,217.66

Finding the Fourth Proportional to 751,178.30, 1,126,808.49 and 190,217.66

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Solution

The fourth proportional to 751,178.30, 1,126,808.49 and 190,217.66 is: 285,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,178.30 : 1,126,808.49 = 190,217.66 : x
  2. Step 2: Convert to fraction form
    751,178.30/1,126,808.49 = 190,217.66/x
  3. Step 3: Cross multiply
    751,178.30x = 1,126,808.49 × 190,217.66
  4. Step 4: Simplify right side
    751,178.30x = 214,338,868,601.89
  5. Step 5: Solve for x
    x = 214,338,868,601.89/751,178.30
  6. Step 6: Final answer
    x = 285,336.88

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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.