Finding the Fourth Proportional to 205,894.58, 284,137.42 and 118,631.46
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Solution
The fourth proportional to 205,894.58, 284,137.42 and 118,631.46 is: 163,713.09
Step by Step Solution
- Step 1: Write the proportion equation
205,894.58 : 284,137.42 = 118,631.46 : x - Step 2: Convert to fraction form
205,894.58/284,137.42 = 118,631.46/x - Step 3: Cross multiply
205,894.58x = 284,137.42 × 118,631.46 - Step 4: Simplify right side
205,894.58x = 33,707,636,975.23 - Step 5: Solve for x
x = 33,707,636,975.23/205,894.58 - Step 6: Final answer
x = 163,713.09
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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.