Home / 331,039.76-456,845.16-180,146.96

Finding the Fourth Proportional to 331,039.76, 456,845.16 and 180,146.96

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Solution

The fourth proportional to 331,039.76, 456,845.16 and 180,146.96 is: 248,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,039.76 : 456,845.16 = 180,146.96 : x
  2. Step 2: Convert to fraction form
    331,039.76/456,845.16 = 180,146.96/x
  3. Step 3: Cross multiply
    331,039.76x = 456,845.16 × 180,146.96
  4. Step 4: Simplify right side
    331,039.76x = 82,299,266,764.71
  5. Step 5: Solve for x
    x = 82,299,266,764.71/331,039.76
  6. Step 6: Final answer
    x = 248,608.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.