Finding the Fourth Proportional to 311,887.92, 467,652.79 and 122,126.10
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Solution
The fourth proportional to 311,887.92, 467,652.79 and 122,126.10 is: 183,119.02
Step by Step Solution
- Step 1: Write the proportion equation
311,887.92 : 467,652.79 = 122,126.10 : x - Step 2: Convert to fraction form
311,887.92/467,652.79 = 122,126.10/x - Step 3: Cross multiply
311,887.92x = 467,652.79 × 122,126.10 - Step 4: Simplify right side
311,887.92x = 57,112,611,396.82 - Step 5: Solve for x
x = 57,112,611,396.82/311,887.92 - Step 6: Final answer
x = 183,119.02
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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.