Finding the Fourth Proportional to 921,480.11, 1,382,126.74 and 247,473.84
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Solution
The fourth proportional to 921,480.11, 1,382,126.74 and 247,473.84 is: 371,185.67
Step by Step Solution
- Step 1: Write the proportion equation
921,480.11 : 1,382,126.74 = 247,473.84 : x - Step 2: Convert to fraction form
921,480.11/1,382,126.74 = 247,473.84/x - Step 3: Cross multiply
921,480.11x = 1,382,126.74 × 247,473.84 - Step 4: Simplify right side
921,480.11x = 342,040,211,095.80 - Step 5: Solve for x
x = 342,040,211,095.80/921,480.11 - Step 6: Final answer
x = 371,185.67
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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.