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Finding the Fourth Proportional to 240,297, 331,453.63 and 154,119.48

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Solution

The fourth proportional to 240,297, 331,453.63 and 154,119.48 is: 212,584.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,297 : 331,453.63 = 154,119.48 : x
  2. Step 2: Convert to fraction form
    240,297/331,453.63 = 154,119.48/x
  3. Step 3: Cross multiply
    240,297x = 331,453.63 × 154,119.48
  4. Step 4: Simplify right side
    240,297x = 51,083,461,099.71
  5. Step 5: Solve for x
    x = 51,083,461,099.71/240,297
  6. Step 6: Final answer
    x = 212,584.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.