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Finding the Fourth Proportional to 304,800.21, 420,619.80 and 168,833.73

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Solution

The fourth proportional to 304,800.21, 420,619.80 and 168,833.73 is: 232,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,800.21 : 420,619.80 = 168,833.73 : x
  2. Step 2: Convert to fraction form
    304,800.21/420,619.80 = 168,833.73/x
  3. Step 3: Cross multiply
    304,800.21x = 420,619.80 × 168,833.73
  4. Step 4: Simplify right side
    304,800.21x = 71,014,809,745.85
  5. Step 5: Solve for x
    x = 71,014,809,745.85/304,800.21
  6. Step 6: Final answer
    x = 232,988.06

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1.5x scale

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.