Home / 206,976.64-310,619.52-153,791.68

Finding the Fourth Proportional to 206,976.64, 310,619.52 and 153,791.68

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Solution

The fourth proportional to 206,976.64, 310,619.52 and 153,791.68 is: 230,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,976.64 : 310,619.52 = 153,791.68 : x
  2. Step 2: Convert to fraction form
    206,976.64/310,619.52 = 153,791.68/x
  3. Step 3: Cross multiply
    206,976.64x = 310,619.52 × 153,791.68
  4. Step 4: Simplify right side
    206,976.64x = 47,770,697,821.59
  5. Step 5: Solve for x
    x = 47,770,697,821.59/206,976.64
  6. Step 6: Final answer
    x = 230,802.36

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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.