Finding the Fourth Proportional to 663,176.82, 994,763.98 and 207,802.92
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Solution
The fourth proportional to 663,176.82, 994,763.98 and 207,802.92 is: 311,703.99
Step by Step Solution
- Step 1: Write the proportion equation
663,176.82 : 994,763.98 = 207,802.92 : x - Step 2: Convert to fraction form
663,176.82/994,763.98 = 207,802.92/x - Step 3: Cross multiply
663,176.82x = 994,763.98 × 207,802.92 - Step 4: Simplify right side
663,176.82x = 206,714,859,754.82 - Step 5: Solve for x
x = 206,714,859,754.82/663,176.82 - Step 6: Final answer
x = 311,703.99
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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.