Finding the Fourth Proportional to 648,299.22, 972,413.68 and 199,020.18
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Solution
The fourth proportional to 648,299.22, 972,413.68 and 199,020.18 is: 298,519.48
Step by Step Solution
- Step 1: Write the proportion equation
648,299.22 : 972,413.68 = 199,020.18 : x - Step 2: Convert to fraction form
648,299.22/972,413.68 = 199,020.18/x - Step 3: Cross multiply
648,299.22x = 972,413.68 × 199,020.18 - Step 4: Simplify right side
648,299.22x = 193,529,945,628.06 - Step 5: Solve for x
x = 193,529,945,628.06/648,299.22 - Step 6: Final answer
x = 298,519.48
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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.