Home / 326,301.96-489,349.26-221,792.52

Finding the Fourth Proportional to 326,301.96, 489,349.26 and 221,792.52

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Solution

The fourth proportional to 326,301.96, 489,349.26 and 221,792.52 is: 332,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,301.96 : 489,349.26 = 221,792.52 : x
  2. Step 2: Convert to fraction form
    326,301.96/489,349.26 = 221,792.52/x
  3. Step 3: Cross multiply
    326,301.96x = 489,349.26 × 221,792.52
  4. Step 4: Simplify right side
    326,301.96x = 108,534,005,535.54
  5. Step 5: Solve for x
    x = 108,534,005,535.54/326,301.96
  6. Step 6: Final answer
    x = 332,618.31

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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.