Home / 328,081.48-491,947.18-169,917.64

Finding the Fourth Proportional to 328,081.48, 491,947.18 and 169,917.64

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Solution

The fourth proportional to 328,081.48, 491,947.18 and 169,917.64 is: 254,785.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,081.48 : 491,947.18 = 169,917.64 : x
  2. Step 2: Convert to fraction form
    328,081.48/491,947.18 = 169,917.64/x
  3. Step 3: Cross multiply
    328,081.48x = 491,947.18 × 169,917.64
  4. Step 4: Simplify right side
    328,081.48x = 83,590,503,830.26
  5. Step 5: Solve for x
    x = 83,590,503,830.26/328,081.48
  6. Step 6: Final answer
    x = 254,785.80

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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.