Finding the Fourth Proportional to 266,063.70, 399,095.55 and 252,941.70
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Solution
The fourth proportional to 266,063.70, 399,095.55 and 252,941.70 is: 379,412.55
Step by Step Solution
- Step 1: Write the proportion equation
266,063.70 : 399,095.55 = 252,941.70 : x - Step 2: Convert to fraction form
266,063.70/399,095.55 = 252,941.70/x - Step 3: Cross multiply
266,063.70x = 399,095.55 × 252,941.70 - Step 4: Simplify right side
266,063.70x = 100,947,906,879.44 - Step 5: Solve for x
x = 100,947,906,879.44/266,063.70 - Step 6: Final answer
x = 379,412.55
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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.