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Finding the Fourth Proportional to 260,277.60, 389,552.40 and 188,997.60

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Solution

The fourth proportional to 260,277.60, 389,552.40 and 188,997.60 is: 282,869.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,277.60 : 389,552.40 = 188,997.60 : x
  2. Step 2: Convert to fraction form
    260,277.60/389,552.40 = 188,997.60/x
  3. Step 3: Cross multiply
    260,277.60x = 389,552.40 × 188,997.60
  4. Step 4: Simplify right side
    260,277.60x = 73,624,468,674.24
  5. Step 5: Solve for x
    x = 73,624,468,674.24/260,277.60
  6. Step 6: Final answer
    x = 282,869.02

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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.