Finding the Fourth Proportional to 213,979.14, 295,287.60 and 118,483.78
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Solution
The fourth proportional to 213,979.14, 295,287.60 and 118,483.78 is: 163,505.62
Step by Step Solution
- Step 1: Write the proportion equation
213,979.14 : 295,287.60 = 118,483.78 : x - Step 2: Convert to fraction form
213,979.14/295,287.60 = 118,483.78/x - Step 3: Cross multiply
213,979.14x = 295,287.60 × 118,483.78 - Step 4: Simplify right side
213,979.14x = 34,986,791,035.13 - Step 5: Solve for x
x = 34,986,791,035.13/213,979.14 - Step 6: Final answer
x = 163,505.62
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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.