Finding the Fourth Proportional to 326,674.62, 491,930.69 and 285,051.15
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Solution
The fourth proportional to 326,674.62, 491,930.69 and 285,051.15 is: 429,251.00
Step by Step Solution
- Step 1: Write the proportion equation
326,674.62 : 491,930.69 = 285,051.15 : x - Step 2: Convert to fraction form
326,674.62/491,930.69 = 285,051.15/x - Step 3: Cross multiply
326,674.62x = 491,930.69 × 285,051.15 - Step 4: Simplify right side
326,674.62x = 140,225,407,479.54 - Step 5: Solve for x
x = 140,225,407,479.54/326,674.62 - Step 6: Final answer
x = 429,251.00
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.