Finding the Fourth Proportional to 311,644.60, 467,170.98 and 101,135.32
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Solution
The fourth proportional to 311,644.60, 467,170.98 and 101,135.32 is: 151,606.95
Step by Step Solution
- Step 1: Write the proportion equation
311,644.60 : 467,170.98 = 101,135.32 : x - Step 2: Convert to fraction form
311,644.60/467,170.98 = 101,135.32/x - Step 3: Cross multiply
311,644.60x = 467,170.98 × 101,135.32 - Step 4: Simplify right side
311,644.60x = 47,247,486,557.01 - Step 5: Solve for x
x = 47,247,486,557.01/311,644.60 - Step 6: Final answer
x = 151,606.95
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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.