Finding the Fourth Proportional to 214,428.21, 295,906.41 and 118,932.99
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Solution
The fourth proportional to 214,428.21, 295,906.41 and 118,932.99 is: 164,125.02
Step by Step Solution
- Step 1: Write the proportion equation
214,428.21 : 295,906.41 = 118,932.99 : x - Step 2: Convert to fraction form
214,428.21/295,906.41 = 118,932.99/x - Step 3: Cross multiply
214,428.21x = 295,906.41 × 118,932.99 - Step 4: Simplify right side
214,428.21x = 35,193,034,101.47 - Step 5: Solve for x
x = 35,193,034,101.47/214,428.21 - Step 6: Final answer
x = 164,125.02
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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.