Finding the Fourth Proportional to 371,736.18, 512,979.21 and 210,587.94
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Solution
The fourth proportional to 371,736.18, 512,979.21 and 210,587.94 is: 290,601.89
Step by Step Solution
- Step 1: Write the proportion equation
371,736.18 : 512,979.21 = 210,587.94 : x - Step 2: Convert to fraction form
371,736.18/512,979.21 = 210,587.94/x - Step 3: Cross multiply
371,736.18x = 512,979.21 × 210,587.94 - Step 4: Simplify right side
371,736.18x = 108,027,235,096.73 - Step 5: Solve for x
x = 108,027,235,096.73/371,736.18 - Step 6: Final answer
x = 290,601.89
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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.