Finding the Fourth Proportional to 118,861.81, 178,350.77 and 52,293.63
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Solution
The fourth proportional to 118,861.81, 178,350.77 and 52,293.63 is: 78,465.99
Step by Step Solution
- Step 1: Write the proportion equation
118,861.81 : 178,350.77 = 52,293.63 : x - Step 2: Convert to fraction form
118,861.81/178,350.77 = 52,293.63/x - Step 3: Cross multiply
118,861.81x = 178,350.77 × 52,293.63 - Step 4: Simplify right side
118,861.81x = 9,326,609,176.60 - Step 5: Solve for x
x = 9,326,609,176.60/118,861.81 - Step 6: Final answer
x = 78,465.99
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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.