Finding the Fourth Proportional to 154,916.70, 232,375.05 and 149,011.80
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Solution
The fourth proportional to 154,916.70, 232,375.05 and 149,011.80 is: 223,517.70
Step by Step Solution
- Step 1: Write the proportion equation
154,916.70 : 232,375.05 = 149,011.80 : x - Step 2: Convert to fraction form
154,916.70/232,375.05 = 149,011.80/x - Step 3: Cross multiply
154,916.70x = 232,375.05 × 149,011.80 - Step 4: Simplify right side
154,916.70x = 34,626,624,475.59 - Step 5: Solve for x
x = 34,626,624,475.59/154,916.70 - Step 6: Final answer
x = 223,517.70
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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.