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Finding the Fourth Proportional to 202,453.20, 303,485.40 and 157,449.60

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Solution

The fourth proportional to 202,453.20, 303,485.40 and 157,449.60 is: 236,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,453.20 : 303,485.40 = 157,449.60 : x
  2. Step 2: Convert to fraction form
    202,453.20/303,485.40 = 157,449.60/x
  3. Step 3: Cross multiply
    202,453.20x = 303,485.40 × 157,449.60
  4. Step 4: Simplify right side
    202,453.20x = 47,783,654,835.84
  5. Step 5: Solve for x
    x = 47,783,654,835.84/202,453.20
  6. Step 6: Final answer
    x = 236,023.21

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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.