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Finding the Fourth Proportional to 245,662.49, 368,489.59 and 110,651.46

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Solution

The fourth proportional to 245,662.49, 368,489.59 and 110,651.46 is: 165,975.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,662.49 : 368,489.59 = 110,651.46 : x
  2. Step 2: Convert to fraction form
    245,662.49/368,489.59 = 110,651.46/x
  3. Step 3: Cross multiply
    245,662.49x = 368,489.59 × 110,651.46
  4. Step 4: Simplify right side
    245,662.49x = 40,773,911,128.30
  5. Step 5: Solve for x
    x = 40,773,911,128.30/245,662.49
  6. Step 6: Final answer
    x = 165,975.32

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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.