Finding the Fourth Proportional to 119,316.96, 178,933.68 and 40,407.84
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Solution
The fourth proportional to 119,316.96, 178,933.68 and 40,407.84 is: 60,597.62
Step by Step Solution
- Step 1: Write the proportion equation
119,316.96 : 178,933.68 = 40,407.84 : x - Step 2: Convert to fraction form
119,316.96/178,933.68 = 40,407.84/x - Step 3: Cross multiply
119,316.96x = 178,933.68 × 40,407.84 - Step 4: Simplify right side
119,316.96x = 7,230,323,512.05 - Step 5: Solve for x
x = 7,230,323,512.05/119,316.96 - Step 6: Final answer
x = 60,597.62
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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.