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Finding the Fourth Proportional to 259,485.60, 389,458.80 and 224,464.80

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Solution

The fourth proportional to 259,485.60, 389,458.80 and 224,464.80 is: 336,896.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,485.60 : 389,458.80 = 224,464.80 : x
  2. Step 2: Convert to fraction form
    259,485.60/389,458.80 = 224,464.80/x
  3. Step 3: Cross multiply
    259,485.60x = 389,458.80 × 224,464.80
  4. Step 4: Simplify right side
    259,485.60x = 87,419,791,650.24
  5. Step 5: Solve for x
    x = 87,419,791,650.24/259,485.60
  6. Step 6: Final answer
    x = 336,896.50

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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.