Finding the Fourth Proportional to 201,605.70, 302,408.55 and 193,413.70
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Solution
The fourth proportional to 201,605.70, 302,408.55 and 193,413.70 is: 290,120.55
Step by Step Solution
- Step 1: Write the proportion equation
201,605.70 : 302,408.55 = 193,413.70 : x - Step 2: Convert to fraction form
201,605.70/302,408.55 = 193,413.70/x - Step 3: Cross multiply
201,605.70x = 302,408.55 × 193,413.70 - Step 4: Simplify right side
201,605.70x = 58,489,956,567.14 - Step 5: Solve for x
x = 58,489,956,567.14/201,605.70 - Step 6: Final answer
x = 290,120.55
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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.