Home / 208,485.82-312,725.76-50,714.56

Finding the Fourth Proportional to 208,485.82, 312,725.76 and 50,714.56

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Solution

The fourth proportional to 208,485.82, 312,725.76 and 50,714.56 is: 76,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,485.82 : 312,725.76 = 50,714.56 : x
  2. Step 2: Convert to fraction form
    208,485.82/312,725.76 = 50,714.56/x
  3. Step 3: Cross multiply
    208,485.82x = 312,725.76 × 50,714.56
  4. Step 4: Simplify right side
    208,485.82x = 15,859,749,319.07
  5. Step 5: Solve for x
    x = 15,859,749,319.07/208,485.82
  6. Step 6: Final answer
    x = 76,071.12

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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.