Finding the Fourth Proportional to 234,905.17, 324,165.64 and 138,119.96
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Solution
The fourth proportional to 234,905.17, 324,165.64 and 138,119.96 is: 190,603.49
Step by Step Solution
- Step 1: Write the proportion equation
234,905.17 : 324,165.64 = 138,119.96 : x - Step 2: Convert to fraction form
234,905.17/324,165.64 = 138,119.96/x - Step 3: Cross multiply
234,905.17x = 324,165.64 × 138,119.96 - Step 4: Simplify right side
234,905.17x = 44,773,745,230.17 - Step 5: Solve for x
x = 44,773,745,230.17/234,905.17 - Step 6: Final answer
x = 190,603.49
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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.