Home / 302,079.40-453,183.90-91,738.60

Finding the Fourth Proportional to 302,079.40, 453,183.90 and 91,738.60

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Solution

The fourth proportional to 302,079.40, 453,183.90 and 91,738.60 is: 137,627.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,079.40 : 453,183.90 = 91,738.60 : x
  2. Step 2: Convert to fraction form
    302,079.40/453,183.90 = 91,738.60/x
  3. Step 3: Cross multiply
    302,079.40x = 453,183.90 × 91,738.60
  4. Step 4: Simplify right side
    302,079.40x = 41,574,456,528.54
  5. Step 5: Solve for x
    x = 41,574,456,528.54/302,079.40
  6. Step 6: Final answer
    x = 137,627.58

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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.