Finding the Fourth Proportional to 213,074.96, 319,755.12 and 88,416.08
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Solution
The fourth proportional to 213,074.96, 319,755.12 and 88,416.08 is: 132,683.33
Step by Step Solution
- Step 1: Write the proportion equation
213,074.96 : 319,755.12 = 88,416.08 : x - Step 2: Convert to fraction form
213,074.96/319,755.12 = 88,416.08/x - Step 3: Cross multiply
213,074.96x = 319,755.12 × 88,416.08 - Step 4: Simplify right side
213,074.96x = 28,271,494,270.33 - Step 5: Solve for x
x = 28,271,494,270.33/213,074.96 - Step 6: Final answer
x = 132,683.33
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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.