Finding the Fourth Proportional to 168,385.68, 252,219.41 and 136,226.75
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Solution
The fourth proportional to 168,385.68, 252,219.41 and 136,226.75 is: 204,049.60
Step by Step Solution
- Step 1: Write the proportion equation
168,385.68 : 252,219.41 = 136,226.75 : x - Step 2: Convert to fraction form
168,385.68/252,219.41 = 136,226.75/x - Step 3: Cross multiply
168,385.68x = 252,219.41 × 136,226.75 - Step 4: Simplify right side
168,385.68x = 34,359,030,460.63 - Step 5: Solve for x
x = 34,359,030,460.63/168,385.68 - Step 6: Final answer
x = 204,049.60
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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.