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Finding the Fourth Proportional to 483,216.99, 667,173.06 and 302,010.38

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Solution

The fourth proportional to 483,216.99, 667,173.06 and 302,010.38 is: 416,982.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,216.99 : 667,173.06 = 302,010.38 : x
  2. Step 2: Convert to fraction form
    483,216.99/667,173.06 = 302,010.38/x
  3. Step 3: Cross multiply
    483,216.99x = 667,173.06 × 302,010.38
  4. Step 4: Simplify right side
    483,216.99x = 201,493,184,530.45
  5. Step 5: Solve for x
    x = 201,493,184,530.45/483,216.99
  6. Step 6: Final answer
    x = 416,982.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.