Finding the Fourth Proportional to 201,946.60, 302,919.90 and 102,413.80
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Solution
The fourth proportional to 201,946.60, 302,919.90 and 102,413.80 is: 153,620.70
Step by Step Solution
- Step 1: Write the proportion equation
201,946.60 : 302,919.90 = 102,413.80 : x - Step 2: Convert to fraction form
201,946.60/302,919.90 = 102,413.80/x - Step 3: Cross multiply
201,946.60x = 302,919.90 × 102,413.80 - Step 4: Simplify right side
201,946.60x = 31,023,178,054.62 - Step 5: Solve for x
x = 31,023,178,054.62/201,946.60 - Step 6: Final answer
x = 153,620.70
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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.