Finding the Fourth Proportional to 366,969.70, 513,135.50 and 366,969.70
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Solution
The fourth proportional to 366,969.70, 513,135.50 and 366,969.70 is: 513,135.50
Step by Step Solution
- Step 1: Write the proportion equation
366,969.70 : 513,135.50 = 366,969.70 : x - Step 2: Convert to fraction form
366,969.70/513,135.50 = 366,969.70/x - Step 3: Cross multiply
366,969.70x = 513,135.50 × 366,969.70 - Step 4: Simplify right side
366,969.70x = 188,305,180,494.35 - Step 5: Solve for x
x = 188,305,180,494.35/366,969.70 - Step 6: Final answer
x = 513,135.50
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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.