Finding the Fourth Proportional to 147,405.80, 221,108.70 and 112,413.80
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Solution
The fourth proportional to 147,405.80, 221,108.70 and 112,413.80 is: 168,620.70
Step by Step Solution
- Step 1: Write the proportion equation
147,405.80 : 221,108.70 = 112,413.80 : x - Step 2: Convert to fraction form
147,405.80/221,108.70 = 112,413.80/x - Step 3: Cross multiply
147,405.80x = 221,108.70 × 112,413.80 - Step 4: Simplify right side
147,405.80x = 24,855,669,180.06 - Step 5: Solve for x
x = 24,855,669,180.06/147,405.80 - Step 6: Final answer
x = 168,620.70
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1.5x scale
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.