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Finding the Fourth Proportional to 281,352.83, 388,204.83 and 166,574.48

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Solution

The fourth proportional to 281,352.83, 388,204.83 and 166,574.48 is: 229,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,352.83 : 388,204.83 = 166,574.48 : x
  2. Step 2: Convert to fraction form
    281,352.83/388,204.83 = 166,574.48/x
  3. Step 3: Cross multiply
    281,352.83x = 388,204.83 × 166,574.48
  4. Step 4: Simplify right side
    281,352.83x = 64,665,015,749.71
  5. Step 5: Solve for x
    x = 64,665,015,749.71/281,352.83
  6. Step 6: Final answer
    x = 229,836.03

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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.