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Finding the Fourth Proportional to 303,090.40, 454,635.60 and 134,571.12

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Solution

The fourth proportional to 303,090.40, 454,635.60 and 134,571.12 is: 201,856.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,090.40 : 454,635.60 = 134,571.12 : x
  2. Step 2: Convert to fraction form
    303,090.40/454,635.60 = 134,571.12/x
  3. Step 3: Cross multiply
    303,090.40x = 454,635.60 × 134,571.12
  4. Step 4: Simplify right side
    303,090.40x = 61,180,821,883.87
  5. Step 5: Solve for x
    x = 61,180,821,883.87/303,090.40
  6. Step 6: Final answer
    x = 201,856.68

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1.5x scale

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.