Finding the Fourth Proportional to 342,913.38, 514,413.81 and 106,270.26
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Solution
The fourth proportional to 342,913.38, 514,413.81 and 106,270.26 is: 159,418.95
Step by Step Solution
- Step 1: Write the proportion equation
342,913.38 : 514,413.81 = 106,270.26 : x - Step 2: Convert to fraction form
342,913.38/514,413.81 = 106,270.26/x - Step 3: Cross multiply
342,913.38x = 514,413.81 × 106,270.26 - Step 4: Simplify right side
342,913.38x = 54,666,889,336.29 - Step 5: Solve for x
x = 54,666,889,336.29/342,913.38 - Step 6: Final answer
x = 159,418.95
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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.