Home / 263,664.87-395,556.06-145,275.27

Finding the Fourth Proportional to 263,664.87, 395,556.06 and 145,275.27

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Solution

The fourth proportional to 263,664.87, 395,556.06 and 145,275.27 is: 217,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,664.87 : 395,556.06 = 145,275.27 : x
  2. Step 2: Convert to fraction form
    263,664.87/395,556.06 = 145,275.27/x
  3. Step 3: Cross multiply
    263,664.87x = 395,556.06 × 145,275.27
  4. Step 4: Simplify right side
    263,664.87x = 57,464,513,416.64
  5. Step 5: Solve for x
    x = 57,464,513,416.64/263,664.87
  6. Step 6: Final answer
    x = 217,945.28

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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.