Finding the Fourth Proportional to 371,034.54, 512,027.83 and 209,886.15
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Solution
The fourth proportional to 371,034.54, 512,027.83 and 209,886.15 is: 289,642.99
Step by Step Solution
- Step 1: Write the proportion equation
371,034.54 : 512,027.83 = 209,886.15 : x - Step 2: Convert to fraction form
371,034.54/512,027.83 = 209,886.15/x - Step 3: Cross multiply
371,034.54x = 512,027.83 × 209,886.15 - Step 4: Simplify right side
371,034.54x = 107,467,552,114.02 - Step 5: Solve for x
x = 107,467,552,114.02/371,034.54 - Step 6: Final answer
x = 289,642.99
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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.