Finding the Fourth Proportional to 168,453.80, 252,678.52 and 48,513.68
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Solution
The fourth proportional to 168,453.80, 252,678.52 and 48,513.68 is: 72,769.89
Step by Step Solution
- Step 1: Write the proportion equation
168,453.80 : 252,678.52 = 48,513.68 : x - Step 2: Convert to fraction form
168,453.80/252,678.52 = 48,513.68/x - Step 3: Cross multiply
168,453.80x = 252,678.52 × 48,513.68 - Step 4: Simplify right side
168,453.80x = 12,258,364,862.15 - Step 5: Solve for x
x = 12,258,364,862.15/168,453.80 - Step 6: Final answer
x = 72,769.89
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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.