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Finding the Fourth Proportional to 199,622.94, 275,479.01 and 108,980.02

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Solution

The fourth proportional to 199,622.94, 275,479.01 and 108,980.02 is: 150,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,622.94 : 275,479.01 = 108,980.02 : x
  2. Step 2: Convert to fraction form
    199,622.94/275,479.01 = 108,980.02/x
  3. Step 3: Cross multiply
    199,622.94x = 275,479.01 × 108,980.02
  4. Step 4: Simplify right side
    199,622.94x = 30,021,707,474.48
  5. Step 5: Solve for x
    x = 30,021,707,474.48/199,622.94
  6. Step 6: Final answer
    x = 150,392.08

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Why These Related Problems?

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