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Finding the Fourth Proportional to 245,651.40, 368,477.28 and 68,158.56

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Solution

The fourth proportional to 245,651.40, 368,477.28 and 68,158.56 is: 102,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,651.40 : 368,477.28 = 68,158.56 : x
  2. Step 2: Convert to fraction form
    245,651.40/368,477.28 = 68,158.56/x
  3. Step 3: Cross multiply
    245,651.40x = 368,477.28 × 68,158.56
  4. Step 4: Simplify right side
    245,651.40x = 25,114,880,797.52
  5. Step 5: Solve for x
    x = 25,114,880,797.52/245,651.40
  6. Step 6: Final answer
    x = 102,237.89

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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.