Finding the Fourth Proportional to 643,491.98, 964,664.40 and 244,413.01
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Solution
The fourth proportional to 643,491.98, 964,664.40 and 244,413.01 is: 366,401.65
Step by Step Solution
- Step 1: Write the proportion equation
643,491.98 : 964,664.40 = 244,413.01 : x - Step 2: Convert to fraction form
643,491.98/964,664.40 = 244,413.01/x - Step 3: Cross multiply
643,491.98x = 964,664.40 × 244,413.01 - Step 4: Simplify right side
643,491.98x = 235,776,526,665.43 - Step 5: Solve for x
x = 235,776,526,665.43/643,491.98 - Step 6: Final answer
x = 366,401.65
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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.