Finding the Fourth Proportional to 322,357.20, 444,751.08 and 193,269.12
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Solution
The fourth proportional to 322,357.20, 444,751.08 and 193,269.12 is: 266,650.32
Step by Step Solution
- Step 1: Write the proportion equation
322,357.20 : 444,751.08 = 193,269.12 : x - Step 2: Convert to fraction form
322,357.20/444,751.08 = 193,269.12/x - Step 3: Cross multiply
322,357.20x = 444,751.08 × 193,269.12 - Step 4: Simplify right side
322,357.20x = 85,956,649,850.65 - Step 5: Solve for x
x = 85,956,649,850.65/322,357.20 - Step 6: Final answer
x = 266,650.32
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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.