Home / 255,917.12-353,278.87-165,317.26

Finding the Fourth Proportional to 255,917.12, 353,278.87 and 165,317.26

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Solution

The fourth proportional to 255,917.12, 353,278.87 and 165,317.26 is: 228,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,917.12 : 353,278.87 = 165,317.26 : x
  2. Step 2: Convert to fraction form
    255,917.12/353,278.87 = 165,317.26/x
  3. Step 3: Cross multiply
    255,917.12x = 353,278.87 × 165,317.26
  4. Step 4: Simplify right side
    255,917.12x = 58,403,093,507.81
  5. Step 5: Solve for x
    x = 58,403,093,507.81/255,917.12
  6. Step 6: Final answer
    x = 228,210.97

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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.