Home / 802,155.69-1,203,236.25-203,116.57

Finding the Fourth Proportional to 802,155.69, 1,203,236.25 and 203,116.57

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Solution

The fourth proportional to 802,155.69, 1,203,236.25 and 203,116.57 is: 304,675.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,155.69 : 1,203,236.25 = 203,116.57 : x
  2. Step 2: Convert to fraction form
    802,155.69/1,203,236.25 = 203,116.57/x
  3. Step 3: Cross multiply
    802,155.69x = 1,203,236.25 × 203,116.57
  4. Step 4: Simplify right side
    802,155.69x = 244,397,219,999.66
  5. Step 5: Solve for x
    x = 244,397,219,999.66/802,155.69
  6. Step 6: Final answer
    x = 304,675.54

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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.