Finding the Fourth Proportional to 776,185.19, 1,164,195.87 and 207,623.66
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Solution
The fourth proportional to 776,185.19, 1,164,195.87 and 207,623.66 is: 311,413.57
Step by Step Solution
- Step 1: Write the proportion equation
776,185.19 : 1,164,195.87 = 207,623.66 : x - Step 2: Convert to fraction form
776,185.19/1,164,195.87 = 207,623.66/x - Step 3: Cross multiply
776,185.19x = 1,164,195.87 × 207,623.66 - Step 4: Simplify right side
776,185.19x = 241,714,601,665.31 - Step 5: Solve for x
x = 241,714,601,665.31/776,185.19 - Step 6: Final answer
x = 311,413.57
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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.