Finding the Fourth Proportional to 366,872.70, 513,971.70 and 366,872.70
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Solution
The fourth proportional to 366,872.70, 513,971.70 and 366,872.70 is: 513,971.70
Step by Step Solution
- Step 1: Write the proportion equation
366,872.70 : 513,971.70 = 366,872.70 : x - Step 2: Convert to fraction form
366,872.70/513,971.70 = 366,872.70/x - Step 3: Cross multiply
366,872.70x = 513,971.70 × 366,872.70 - Step 4: Simplify right side
366,872.70x = 188,562,185,302.59 - Step 5: Solve for x
x = 188,562,185,302.59/366,872.70 - Step 6: Final answer
x = 513,971.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.