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Finding the Fourth Proportional to 326,003.87, 450,103.80 and 203,682.50

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Solution

The fourth proportional to 326,003.87, 450,103.80 and 203,682.50 is: 281,218.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,003.87 : 450,103.80 = 203,682.50 : x
  2. Step 2: Convert to fraction form
    326,003.87/450,103.80 = 203,682.50/x
  3. Step 3: Cross multiply
    326,003.87x = 450,103.80 × 203,682.50
  4. Step 4: Simplify right side
    326,003.87x = 91,678,267,444.68
  5. Step 5: Solve for x
    x = 91,678,267,444.68/326,003.87
  6. Step 6: Final answer
    x = 281,218.34

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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.