Finding the Fourth Proportional to 155,446.20, 232,877.70 and 144,948.60
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Solution
The fourth proportional to 155,446.20, 232,877.70 and 144,948.60 is: 217,150.99
Step by Step Solution
- Step 1: Write the proportion equation
155,446.20 : 232,877.70 = 144,948.60 : x - Step 2: Convert to fraction form
155,446.20/232,877.70 = 144,948.60/x - Step 3: Cross multiply
155,446.20x = 232,877.70 × 144,948.60 - Step 4: Simplify right side
155,446.20x = 33,755,296,586.22 - Step 5: Solve for x
x = 33,755,296,586.22/155,446.20 - Step 6: Final answer
x = 217,150.99
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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.