Home / 326,349.81-489,571.43-144,183.51

Finding the Fourth Proportional to 326,349.81, 489,571.43 and 144,183.51

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Solution

The fourth proportional to 326,349.81, 489,571.43 and 144,183.51 is: 216,295.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,349.81 : 489,571.43 = 144,183.51 : x
  2. Step 2: Convert to fraction form
    326,349.81/489,571.43 = 144,183.51/x
  3. Step 3: Cross multiply
    326,349.81x = 489,571.43 × 144,183.51
  4. Step 4: Simplify right side
    326,349.81x = 70,588,126,452.20
  5. Step 5: Solve for x
    x = 70,588,126,452.20/326,349.81
  6. Step 6: Final answer
    x = 216,295.90

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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.