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Finding the Fourth Proportional to 262,993.60, 394,490.40 and 182,814.40

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Solution

The fourth proportional to 262,993.60, 394,490.40 and 182,814.40 is: 274,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,993.60 : 394,490.40 = 182,814.40 : x
  2. Step 2: Convert to fraction form
    262,993.60/394,490.40 = 182,814.40/x
  3. Step 3: Cross multiply
    262,993.60x = 394,490.40 × 182,814.40
  4. Step 4: Simplify right side
    262,993.60x = 72,118,525,781.76
  5. Step 5: Solve for x
    x = 72,118,525,781.76/262,993.60
  6. Step 6: Final answer
    x = 274,221.60

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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.