Home / 208,659.03-312,991.79-50,890.47

Finding the Fourth Proportional to 208,659.03, 312,991.79 and 50,890.47

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Solution

The fourth proportional to 208,659.03, 312,991.79 and 50,890.47 is: 76,336.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,659.03 : 312,991.79 = 50,890.47 : x
  2. Step 2: Convert to fraction form
    208,659.03/312,991.79 = 50,890.47/x
  3. Step 3: Cross multiply
    208,659.03x = 312,991.79 × 50,890.47
  4. Step 4: Simplify right side
    208,659.03x = 15,928,299,044.79
  5. Step 5: Solve for x
    x = 15,928,299,044.79/208,659.03
  6. Step 6: Final answer
    x = 76,336.50

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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.