Home / 324,795.45-486,933.98-137,653.05

Finding the Fourth Proportional to 324,795.45, 486,933.98 and 137,653.05

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Solution

The fourth proportional to 324,795.45, 486,933.98 and 137,653.05 is: 206,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,795.45 : 486,933.98 = 137,653.05 : x
  2. Step 2: Convert to fraction form
    324,795.45/486,933.98 = 137,653.05/x
  3. Step 3: Cross multiply
    324,795.45x = 486,933.98 × 137,653.05
  4. Step 4: Simplify right side
    324,795.45x = 67,027,946,807.37
  5. Step 5: Solve for x
    x = 67,027,946,807.37/324,795.45
  6. Step 6: Final answer
    x = 206,369.72

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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.