Finding the Fourth Proportional to 189,748.62, 284,032.44 and 119,480.31
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Solution
The fourth proportional to 189,748.62, 284,032.44 and 119,480.31 is: 178,848.65
Step by Step Solution
- Step 1: Write the proportion equation
189,748.62 : 284,032.44 = 119,480.31 : x - Step 2: Convert to fraction form
189,748.62/284,032.44 = 119,480.31/x - Step 3: Cross multiply
189,748.62x = 284,032.44 × 119,480.31 - Step 4: Simplify right side
189,748.62x = 33,936,283,981.26 - Step 5: Solve for x
x = 33,936,283,981.26/189,748.62 - Step 6: Final answer
x = 178,848.65
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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.