Finding the Fourth Proportional to 319,608.01, 441,083.97 and 183,689.38
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Solution
The fourth proportional to 319,608.01, 441,083.97 and 183,689.38 is: 253,505.66
Step by Step Solution
- Step 1: Write the proportion equation
319,608.01 : 441,083.97 = 183,689.38 : x - Step 2: Convert to fraction form
319,608.01/441,083.97 = 183,689.38/x - Step 3: Cross multiply
319,608.01x = 441,083.97 × 183,689.38 - Step 4: Simplify right side
319,608.01x = 81,022,440,977.24 - Step 5: Solve for x
x = 81,022,440,977.24/319,608.01 - Step 6: Final answer
x = 253,505.66
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1.5x scale
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.