Finding the Fourth Proportional to 663,021.10, 994,088.71 and 207,458.06
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Solution
The fourth proportional to 663,021.10, 994,088.71 and 207,458.06 is: 311,048.50
Step by Step Solution
- Step 1: Write the proportion equation
663,021.10 : 994,088.71 = 207,458.06 : x - Step 2: Convert to fraction form
663,021.10/994,088.71 = 207,458.06/x - Step 3: Cross multiply
663,021.10x = 994,088.71 × 207,458.06 - Step 4: Simplify right side
663,021.10x = 206,231,717,211.08 - Step 5: Solve for x
x = 206,231,717,211.08/663,021.10 - Step 6: Final answer
x = 311,048.50
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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.