Finding the Fourth Proportional to 371,034.48, 512,027.75 and 209,886.09
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Solution
The fourth proportional to 371,034.48, 512,027.75 and 209,886.09 is: 289,642.90
Step by Step Solution
- Step 1: Write the proportion equation
371,034.48 : 512,027.75 = 209,886.09 : x - Step 2: Convert to fraction form
371,034.48/512,027.75 = 209,886.09/x - Step 3: Cross multiply
371,034.48x = 512,027.75 × 209,886.09 - Step 4: Simplify right side
371,034.48x = 107,467,501,369.57 - Step 5: Solve for x
x = 107,467,501,369.57/371,034.48 - Step 6: Final answer
x = 289,642.90
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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.