Finding the Fourth Proportional to 412,244.70, 618,367.05 and 202,292.70
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Solution
The fourth proportional to 412,244.70, 618,367.05 and 202,292.70 is: 303,439.05
Step by Step Solution
- Step 1: Write the proportion equation
412,244.70 : 618,367.05 = 202,292.70 : x - Step 2: Convert to fraction form
412,244.70/618,367.05 = 202,292.70/x - Step 3: Cross multiply
412,244.70x = 618,367.05 × 202,292.70 - Step 4: Simplify right side
412,244.70x = 125,091,140,135.54 - Step 5: Solve for x
x = 125,091,140,135.54/412,244.70 - Step 6: Final answer
x = 303,439.05
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1.5x scale
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.