Finding the Fourth Proportional to 228,620.12, 315,578.58 and 186,104.84
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Solution
The fourth proportional to 228,620.12, 315,578.58 and 186,104.84 is: 256,892.09
Step by Step Solution
- Step 1: Write the proportion equation
228,620.12 : 315,578.58 = 186,104.84 : x - Step 2: Convert to fraction form
228,620.12/315,578.58 = 186,104.84/x - Step 3: Cross multiply
228,620.12x = 315,578.58 × 186,104.84 - Step 4: Simplify right side
228,620.12x = 58,730,701,138.33 - Step 5: Solve for x
x = 58,730,701,138.33/228,620.12 - Step 6: Final answer
x = 256,892.09
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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.