Finding the Fourth Proportional to 155,122.62, 232,734.09 and 76,181.49
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Solution
The fourth proportional to 155,122.62, 232,734.09 and 76,181.49 is: 114,296.87
Step by Step Solution
- Step 1: Write the proportion equation
155,122.62 : 232,734.09 = 76,181.49 : x - Step 2: Convert to fraction form
155,122.62/232,734.09 = 76,181.49/x - Step 3: Cross multiply
155,122.62x = 232,734.09 × 76,181.49 - Step 4: Simplify right side
155,122.62x = 17,730,029,749.99 - Step 5: Solve for x
x = 17,730,029,749.99/155,122.62 - Step 6: Final answer
x = 114,296.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.