Finding the Fourth Proportional to 664,378.92, 996,583.76 and 237,943.96
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Solution
The fourth proportional to 664,378.92, 996,583.76 and 237,943.96 is: 356,921.45
Step by Step Solution
- Step 1: Write the proportion equation
664,378.92 : 996,583.76 = 237,943.96 : x - Step 2: Convert to fraction form
664,378.92/996,583.76 = 237,943.96/x - Step 3: Cross multiply
664,378.92x = 996,583.76 × 237,943.96 - Step 4: Simplify right side
664,378.92x = 237,131,086,326.09 - Step 5: Solve for x
x = 237,131,086,326.09/664,378.92 - Step 6: Final answer
x = 356,921.45
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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.