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Finding the Fourth Proportional to 262,179.84, 393,200.64 and 75,201.60

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Solution

The fourth proportional to 262,179.84, 393,200.64 and 75,201.60 is: 112,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,179.84 : 393,200.64 = 75,201.60 : x
  2. Step 2: Convert to fraction form
    262,179.84/393,200.64 = 75,201.60/x
  3. Step 3: Cross multiply
    262,179.84x = 393,200.64 × 75,201.60
  4. Step 4: Simplify right side
    262,179.84x = 29,569,317,249.02
  5. Step 5: Solve for x
    x = 29,569,317,249.02/262,179.84
  6. Step 6: Final answer
    x = 112,782.57

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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.