Home / 331,055.86-496,580.32-219,236.38

Finding the Fourth Proportional to 331,055.86, 496,580.32 and 219,236.38

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Solution

The fourth proportional to 331,055.86, 496,580.32 and 219,236.38 is: 328,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,055.86 : 496,580.32 = 219,236.38 : x
  2. Step 2: Convert to fraction form
    331,055.86/496,580.32 = 219,236.38/x
  3. Step 3: Cross multiply
    331,055.86x = 496,580.32 × 219,236.38
  4. Step 4: Simplify right side
    331,055.86x = 108,868,470,070.32
  5. Step 5: Solve for x
    x = 108,868,470,070.32/331,055.86
  6. Step 6: Final answer
    x = 328,852.26

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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.