Finding the Fourth Proportional to 168,533.56, 252,738.33 and 68,639.50
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Solution
The fourth proportional to 168,533.56, 252,738.33 and 68,639.50 is: 102,933.99
Step by Step Solution
- Step 1: Write the proportion equation
168,533.56 : 252,738.33 = 68,639.50 : x - Step 2: Convert to fraction form
168,533.56/252,738.33 = 68,639.50/x - Step 3: Cross multiply
168,533.56x = 252,738.33 × 68,639.50 - Step 4: Simplify right side
168,533.56x = 17,347,832,602.04 - Step 5: Solve for x
x = 17,347,832,602.04/168,533.56 - Step 6: Final answer
x = 102,933.99
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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.