Finding the Fourth Proportional to 261,157.97, 391,674.08 and 166,245.82
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Solution
The fourth proportional to 261,157.97, 391,674.08 and 166,245.82 is: 249,328.70
Step by Step Solution
- Step 1: Write the proportion equation
261,157.97 : 391,674.08 = 166,245.82 : x - Step 2: Convert to fraction form
261,157.97/391,674.08 = 166,245.82/x - Step 3: Cross multiply
261,157.97x = 391,674.08 × 166,245.82 - Step 4: Simplify right side
261,157.97x = 65,114,178,038.78 - Step 5: Solve for x
x = 65,114,178,038.78/261,157.97 - Step 6: Final answer
x = 249,328.70
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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.