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Finding the Fourth Proportional to 203,479.60, 305,214.60 and 55,735.60

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Solution

The fourth proportional to 203,479.60, 305,214.60 and 55,735.60 is: 83,602.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,479.60 : 305,214.60 = 55,735.60 : x
  2. Step 2: Convert to fraction form
    203,479.60/305,214.60 = 55,735.60/x
  3. Step 3: Cross multiply
    203,479.60x = 305,214.60 × 55,735.60
  4. Step 4: Simplify right side
    203,479.60x = 17,011,318,859.76
  5. Step 5: Solve for x
    x = 17,011,318,859.76/203,479.60
  6. Step 6: Final answer
    x = 83,602.09

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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.