Finding the Fourth Proportional to 228,620.37, 315,578.93 and 186,105.09
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Solution
The fourth proportional to 228,620.37, 315,578.93 and 186,105.09 is: 256,892.44
Step by Step Solution
- Step 1: Write the proportion equation
228,620.37 : 315,578.93 = 186,105.09 : x - Step 2: Convert to fraction form
228,620.37/315,578.93 = 186,105.09/x - Step 3: Cross multiply
228,620.37x = 315,578.93 × 186,105.09 - Step 4: Simplify right side
228,620.37x = 58,730,844,239.23 - Step 5: Solve for x
x = 58,730,844,239.23/228,620.37 - Step 6: Final answer
x = 256,892.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.