Finding the Fourth Proportional to 417,413.72, 626,170.48 and 147,485.99
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Solution
The fourth proportional to 417,413.72, 626,170.48 and 147,485.99 is: 221,246.62
Step by Step Solution
- Step 1: Write the proportion equation
417,413.72 : 626,170.48 = 147,485.99 : x - Step 2: Convert to fraction form
417,413.72/626,170.48 = 147,485.99/x - Step 3: Cross multiply
417,413.72x = 626,170.48 × 147,485.99 - Step 4: Simplify right side
417,413.72x = 92,351,374,348.29 - Step 5: Solve for x
x = 92,351,374,348.29/417,413.72 - Step 6: Final answer
x = 221,246.62
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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.