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Finding the Fourth Proportional to 293,121.60, 439,682.40 and 188,145.60

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Solution

The fourth proportional to 293,121.60, 439,682.40 and 188,145.60 is: 282,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,121.60 : 439,682.40 = 188,145.60 : x
  2. Step 2: Convert to fraction form
    293,121.60/439,682.40 = 188,145.60/x
  3. Step 3: Cross multiply
    293,121.60x = 439,682.40 × 188,145.60
  4. Step 4: Simplify right side
    293,121.60x = 82,724,308,957.44
  5. Step 5: Solve for x
    x = 82,724,308,957.44/293,121.60
  6. Step 6: Final answer
    x = 282,218.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.