Finding the Fourth Proportional to 117,578.62, 162,259.68 and 63,864.68
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Solution
The fourth proportional to 117,578.62, 162,259.68 and 63,864.68 is: 88,133.90
Step by Step Solution
- Step 1: Write the proportion equation
117,578.62 : 162,259.68 = 63,864.68 : x - Step 2: Convert to fraction form
117,578.62/162,259.68 = 63,864.68/x - Step 3: Cross multiply
117,578.62x = 162,259.68 × 63,864.68 - Step 4: Simplify right side
117,578.62x = 10,362,662,540.10 - Step 5: Solve for x
x = 10,362,662,540.10/117,578.62 - Step 6: Final answer
x = 88,133.90
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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.