Finding the Fourth Proportional to 319,261.26, 440,583.84 and 176,026.44
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Solution
The fourth proportional to 319,261.26, 440,583.84 and 176,026.44 is: 242,918.31
Step by Step Solution
- Step 1: Write the proportion equation
319,261.26 : 440,583.84 = 176,026.44 : x - Step 2: Convert to fraction form
319,261.26/440,583.84 = 176,026.44/x - Step 3: Cross multiply
319,261.26x = 440,583.84 × 176,026.44 - Step 4: Simplify right side
319,261.26x = 77,554,404,876.73 - Step 5: Solve for x
x = 77,554,404,876.73/319,261.26 - Step 6: Final answer
x = 242,918.31
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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.