Finding the Fourth Proportional to 484,431.80, 726,647.70 and 247,695.80
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Solution
The fourth proportional to 484,431.80, 726,647.70 and 247,695.80 is: 371,543.70
Step by Step Solution
- Step 1: Write the proportion equation
484,431.80 : 726,647.70 = 247,695.80 : x - Step 2: Convert to fraction form
484,431.80/726,647.70 = 247,695.80/x - Step 3: Cross multiply
484,431.80x = 726,647.70 × 247,695.80 - Step 4: Simplify right side
484,431.80x = 179,987,583,369.66 - Step 5: Solve for x
x = 179,987,583,369.66/484,431.80 - Step 6: Final answer
x = 371,543.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.