Home / 324,155.61-486,282.02-113,756.49

Finding the Fourth Proportional to 324,155.61, 486,282.02 and 113,756.49

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Solution

The fourth proportional to 324,155.61, 486,282.02 and 113,756.49 is: 170,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,155.61 : 486,282.02 = 113,756.49 : x
  2. Step 2: Convert to fraction form
    324,155.61/486,282.02 = 113,756.49/x
  3. Step 3: Cross multiply
    324,155.61x = 486,282.02 × 113,756.49
  4. Step 4: Simplify right side
    324,155.61x = 55,317,735,176.53
  5. Step 5: Solve for x
    x = 55,317,735,176.53/324,155.61
  6. Step 6: Final answer
    x = 170,651.79

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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.