Finding the Fourth Proportional to 228,480.62, 315,204.00 and 137,786.19
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Solution
The fourth proportional to 228,480.62, 315,204.00 and 137,786.19 is: 190,085.08
Step by Step Solution
- Step 1: Write the proportion equation
228,480.62 : 315,204.00 = 137,786.19 : x - Step 2: Convert to fraction form
228,480.62/315,204.00 = 137,786.19/x - Step 3: Cross multiply
228,480.62x = 315,204.00 × 137,786.19 - Step 4: Simplify right side
228,480.62x = 43,430,757,716.06 - Step 5: Solve for x
x = 43,430,757,716.06/228,480.62 - Step 6: Final answer
x = 190,085.08
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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.