Finding the Fourth Proportional to 178,962.75, 246,765.69 and 114,346.62
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Solution
The fourth proportional to 178,962.75, 246,765.69 and 114,346.62 is: 157,668.69
Step by Step Solution
- Step 1: Write the proportion equation
178,962.75 : 246,765.69 = 114,346.62 : x - Step 2: Convert to fraction form
178,962.75/246,765.69 = 114,346.62/x - Step 3: Cross multiply
178,962.75x = 246,765.69 × 114,346.62 - Step 4: Simplify right side
178,962.75x = 28,216,822,583.47 - Step 5: Solve for x
x = 28,216,822,583.47/178,962.75 - Step 6: Final answer
x = 157,668.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.