Finding the Fourth Proportional to 204,048.56, 281,585.76 and 113,403.08
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Solution
The fourth proportional to 204,048.56, 281,585.76 and 113,403.08 is: 156,495.55
Step by Step Solution
- Step 1: Write the proportion equation
204,048.56 : 281,585.76 = 113,403.08 : x - Step 2: Convert to fraction form
204,048.56/281,585.76 = 113,403.08/x - Step 3: Cross multiply
204,048.56x = 281,585.76 × 113,403.08 - Step 4: Simplify right side
204,048.56x = 31,932,692,468.14 - Step 5: Solve for x
x = 31,932,692,468.14/204,048.56 - Step 6: Final answer
x = 156,495.55
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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.