Home / 214,879.04-322,288.80-57,120.32

Finding the Fourth Proportional to 214,879.04, 322,288.80 and 57,120.32

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Solution

The fourth proportional to 214,879.04, 322,288.80 and 57,120.32 is: 85,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,879.04 : 322,288.80 = 57,120.32 : x
  2. Step 2: Convert to fraction form
    214,879.04/322,288.80 = 57,120.32/x
  3. Step 3: Cross multiply
    214,879.04x = 322,288.80 × 57,120.32
  4. Step 4: Simplify right side
    214,879.04x = 18,409,239,388.42
  5. Step 5: Solve for x
    x = 18,409,239,388.42/214,879.04
  6. Step 6: Final answer
    x = 85,672.57

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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.