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Finding the Fourth Proportional to 329,081.80, 493,233.90 and 245,878.60

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Solution

The fourth proportional to 329,081.80, 493,233.90 and 245,878.60 is: 368,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,081.80 : 493,233.90 = 245,878.60 : x
  2. Step 2: Convert to fraction form
    329,081.80/493,233.90 = 245,878.60/x
  3. Step 3: Cross multiply
    329,081.80x = 493,233.90 × 245,878.60
  4. Step 4: Simplify right side
    329,081.80x = 121,275,660,804.54
  5. Step 5: Solve for x
    x = 121,275,660,804.54/329,081.80
  6. Step 6: Final answer
    x = 368,527.40

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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.