Finding the Fourth Proportional to 656,889.84, 985,482.18 and 207,636.84
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Solution
The fourth proportional to 656,889.84, 985,482.18 and 207,636.84 is: 311,501.86
Step by Step Solution
- Step 1: Write the proportion equation
656,889.84 : 985,482.18 = 207,636.84 : x - Step 2: Convert to fraction form
656,889.84/985,482.18 = 207,636.84/x - Step 3: Cross multiply
656,889.84x = 985,482.18 × 207,636.84 - Step 4: Simplify right side
656,889.84x = 204,622,405,731.51 - Step 5: Solve for x
x = 204,622,405,731.51/656,889.84 - Step 6: Final answer
x = 311,501.86
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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.