Finding the Fourth Proportional to 319,176.82, 440,463.91 and 175,939.26
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Solution
The fourth proportional to 319,176.82, 440,463.91 and 175,939.26 is: 242,796.12
Step by Step Solution
- Step 1: Write the proportion equation
319,176.82 : 440,463.91 = 175,939.26 : x - Step 2: Convert to fraction form
319,176.82/440,463.91 = 175,939.26/x - Step 3: Cross multiply
319,176.82x = 440,463.91 × 175,939.26 - Step 4: Simplify right side
319,176.82x = 77,494,894,382.11 - Step 5: Solve for x
x = 77,494,894,382.11/319,176.82 - Step 6: Final answer
x = 242,796.12
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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.