Finding the Fourth Proportional to 178,960.48, 268,473.12 and 73,720.96
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Solution
The fourth proportional to 178,960.48, 268,473.12 and 73,720.96 is: 110,594.79
Step by Step Solution
- Step 1: Write the proportion equation
178,960.48 : 268,473.12 = 73,720.96 : x - Step 2: Convert to fraction form
178,960.48/268,473.12 = 73,720.96/x - Step 3: Cross multiply
178,960.48x = 268,473.12 × 73,720.96 - Step 4: Simplify right side
178,960.48x = 19,792,096,140.60 - Step 5: Solve for x
x = 19,792,096,140.60/178,960.48 - Step 6: Final answer
x = 110,594.79
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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.