Finding the Fourth Proportional to 319,190.62, 440,463.27 and 175,943.26
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Solution
The fourth proportional to 319,190.62, 440,463.27 and 175,943.26 is: 242,790.79
Step by Step Solution
- Step 1: Write the proportion equation
319,190.62 : 440,463.27 = 175,943.26 : x - Step 2: Convert to fraction form
319,190.62/440,463.27 = 175,943.26/x - Step 3: Cross multiply
319,190.62x = 440,463.27 × 175,943.26 - Step 4: Simplify right side
319,190.62x = 77,496,543,634.06 - Step 5: Solve for x
x = 77,496,543,634.06/319,190.62 - Step 6: Final answer
x = 242,790.79
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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.