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Finding the Fourth Proportional to 252,158.40, 378,237.60 and 239,364.45

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Solution

The fourth proportional to 252,158.40, 378,237.60 and 239,364.45 is: 359,046.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,158.40 : 378,237.60 = 239,364.45 : x
  2. Step 2: Convert to fraction form
    252,158.40/378,237.60 = 239,364.45/x
  3. Step 3: Cross multiply
    252,158.40x = 378,237.60 × 239,364.45
  4. Step 4: Simplify right side
    252,158.40x = 90,536,635,093.32
  5. Step 5: Solve for x
    x = 90,536,635,093.32/252,158.40
  6. Step 6: Final answer
    x = 359,046.68

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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.