Finding the Fourth Proportional to 319,198.88, 440,497.49 and 175,964.06
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Solution
The fourth proportional to 319,198.88, 440,497.49 and 175,964.06 is: 242,832.07
Step by Step Solution
- Step 1: Write the proportion equation
319,198.88 : 440,497.49 = 175,964.06 : x - Step 2: Convert to fraction form
319,198.88/440,497.49 = 175,964.06/x - Step 3: Cross multiply
319,198.88x = 440,497.49 × 175,964.06 - Step 4: Simplify right side
319,198.88x = 77,511,723,677.90 - Step 5: Solve for x
x = 77,511,723,677.90/319,198.88 - Step 6: Final answer
x = 242,832.07
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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.