Finding the Fourth Proportional to 326,654.06, 490,119.75 and 158,299.70
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Solution
The fourth proportional to 326,654.06, 490,119.75 and 158,299.70 is: 237,516.75
Step by Step Solution
- Step 1: Write the proportion equation
326,654.06 : 490,119.75 = 158,299.70 : x - Step 2: Convert to fraction form
326,654.06/490,119.75 = 158,299.70/x - Step 3: Cross multiply
326,654.06x = 490,119.75 × 158,299.70 - Step 4: Simplify right side
326,654.06x = 77,585,809,389.08 - Step 5: Solve for x
x = 77,585,809,389.08/326,654.06 - Step 6: Final answer
x = 237,516.75
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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.