Finding the Fourth Proportional to 164,901.80, 247,352.70 and 112,413.80
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Solution
The fourth proportional to 164,901.80, 247,352.70 and 112,413.80 is: 168,620.70
Step by Step Solution
- Step 1: Write the proportion equation
164,901.80 : 247,352.70 = 112,413.80 : x - Step 2: Convert to fraction form
164,901.80/247,352.70 = 112,413.80/x - Step 3: Cross multiply
164,901.80x = 247,352.70 × 112,413.80 - Step 4: Simplify right side
164,901.80x = 27,805,856,947.26 - Step 5: Solve for x
x = 27,805,856,947.26/164,901.80 - Step 6: Final answer
x = 168,620.70
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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.