Finding the Fourth Proportional to 168,506.18, 252,015.68 and 149,916.68
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Solution
The fourth proportional to 168,506.18, 252,015.68 and 149,916.68 is: 224,213.46
Step by Step Solution
- Step 1: Write the proportion equation
168,506.18 : 252,015.68 = 149,916.68 : x - Step 2: Convert to fraction form
168,506.18/252,015.68 = 149,916.68/x - Step 3: Cross multiply
168,506.18x = 252,015.68 × 149,916.68 - Step 4: Simplify right side
168,506.18x = 37,781,353,168.26 - Step 5: Solve for x
x = 37,781,353,168.26/168,506.18 - Step 6: Final answer
x = 224,213.46
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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.