Finding the Fourth Proportional to 311,554.26, 430,088.40 and 182,474.82
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Solution
The fourth proportional to 311,554.26, 430,088.40 and 182,474.82 is: 251,899.31
Step by Step Solution
- Step 1: Write the proportion equation
311,554.26 : 430,088.40 = 182,474.82 : x - Step 2: Convert to fraction form
311,554.26/430,088.40 = 182,474.82/x - Step 3: Cross multiply
311,554.26x = 430,088.40 × 182,474.82 - Step 4: Simplify right side
311,554.26x = 78,480,303,374.09 - Step 5: Solve for x
x = 78,480,303,374.09/311,554.26 - Step 6: Final answer
x = 251,899.31
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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.