Finding the Fourth Proportional to 204,328.86, 281,969.42 and 118,291.48
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Solution
The fourth proportional to 204,328.86, 281,969.42 and 118,291.48 is: 163,239.69
Step by Step Solution
- Step 1: Write the proportion equation
204,328.86 : 281,969.42 = 118,291.48 : x - Step 2: Convert to fraction form
204,328.86/281,969.42 = 118,291.48/x - Step 3: Cross multiply
204,328.86x = 281,969.42 × 118,291.48 - Step 4: Simplify right side
204,328.86x = 33,354,580,006.54 - Step 5: Solve for x
x = 33,354,580,006.54/204,328.86 - Step 6: Final answer
x = 163,239.69
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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.