Home / 255,887.08-383,719.34-135,917.58

Finding the Fourth Proportional to 255,887.08, 383,719.34 and 135,917.58

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Solution

The fourth proportional to 255,887.08, 383,719.34 and 135,917.58 is: 203,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,887.08 : 383,719.34 = 135,917.58 : x
  2. Step 2: Convert to fraction form
    255,887.08/383,719.34 = 135,917.58/x
  3. Step 3: Cross multiply
    255,887.08x = 383,719.34 × 135,917.58
  4. Step 4: Simplify right side
    255,887.08x = 52,154,204,092.00
  5. Step 5: Solve for x
    x = 52,154,204,092.00/255,887.08
  6. Step 6: Final answer
    x = 203,817.26

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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.