Home / 685,102.91-1,027,580.54-179,714.54

Finding the Fourth Proportional to 685,102.91, 1,027,580.54 and 179,714.54

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Solution

The fourth proportional to 685,102.91, 1,027,580.54 and 179,714.54 is: 269,552.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,102.91 : 1,027,580.54 = 179,714.54 : x
  2. Step 2: Convert to fraction form
    685,102.91/1,027,580.54 = 179,714.54/x
  3. Step 3: Cross multiply
    685,102.91x = 1,027,580.54 × 179,714.54
  4. Step 4: Simplify right side
    685,102.91x = 184,671,165,729.43
  5. Step 5: Solve for x
    x = 184,671,165,729.43/685,102.91
  6. Step 6: Final answer
    x = 269,552.45

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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.