Finding the Fourth Proportional to 363,975.36, 543,115.86 and 326,149.98
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Solution
The fourth proportional to 363,975.36, 543,115.86 and 326,149.98 is: 486,673.68
Step by Step Solution
- Step 1: Write the proportion equation
363,975.36 : 543,115.86 = 326,149.98 : x - Step 2: Convert to fraction form
363,975.36/543,115.86 = 326,149.98/x - Step 3: Cross multiply
363,975.36x = 543,115.86 × 326,149.98 - Step 4: Simplify right side
363,975.36x = 177,137,226,876.68 - Step 5: Solve for x
x = 177,137,226,876.68/363,975.36 - Step 6: Final answer
x = 486,673.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.