Finding the Fourth Proportional to 168,478.28, 252,505.20 and 147,368.08
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Solution
The fourth proportional to 168,478.28, 252,505.20 and 147,368.08 is: 220,866.49
Step by Step Solution
- Step 1: Write the proportion equation
168,478.28 : 252,505.20 = 147,368.08 : x - Step 2: Convert to fraction form
168,478.28/252,505.20 = 147,368.08/x - Step 3: Cross multiply
168,478.28x = 252,505.20 × 147,368.08 - Step 4: Simplify right side
168,478.28x = 37,211,206,514.02 - Step 5: Solve for x
x = 37,211,206,514.02/168,478.28 - Step 6: Final answer
x = 220,866.49
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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.