Home / 255,917.37-353,279.21-165,317.51

Finding the Fourth Proportional to 255,917.37, 353,279.21 and 165,317.51

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Solution

The fourth proportional to 255,917.37, 353,279.21 and 165,317.51 is: 228,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,917.37 : 353,279.21 = 165,317.51 : x
  2. Step 2: Convert to fraction form
    255,917.37/353,279.21 = 165,317.51/x
  3. Step 3: Cross multiply
    255,917.37x = 353,279.21 × 165,317.51
  4. Step 4: Simplify right side
    255,917.37x = 58,403,238,862.06
  5. Step 5: Solve for x
    x = 58,403,238,862.06/255,917.37
  6. Step 6: Final answer
    x = 228,211.31

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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.