Finding the Fourth Proportional to 207,809.44, 286,771.28 and 117,164.62
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Solution
The fourth proportional to 207,809.44, 286,771.28 and 117,164.62 is: 161,683.94
Step by Step Solution
- Step 1: Write the proportion equation
207,809.44 : 286,771.28 = 117,164.62 : x - Step 2: Convert to fraction form
207,809.44/286,771.28 = 117,164.62/x - Step 3: Cross multiply
207,809.44x = 286,771.28 × 117,164.62 - Step 4: Simplify right side
207,809.44x = 33,599,448,048.11 - Step 5: Solve for x
x = 33,599,448,048.11/207,809.44 - Step 6: Final answer
x = 161,683.94
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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.