Finding the Fourth Proportional to 366,905.99, 550,413.63 and 130,228.85
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Solution
The fourth proportional to 366,905.99, 550,413.63 and 130,228.85 is: 195,362.67
Step by Step Solution
- Step 1: Write the proportion equation
366,905.99 : 550,413.63 = 130,228.85 : x - Step 2: Convert to fraction form
366,905.99/550,413.63 = 130,228.85/x - Step 3: Cross multiply
366,905.99x = 550,413.63 × 130,228.85 - Step 4: Simplify right side
366,905.99x = 71,679,734,059.23 - Step 5: Solve for x
x = 71,679,734,059.23/366,905.99 - Step 6: Final answer
x = 195,362.67
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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.