Finding the Fourth Proportional to 168,572.14, 232,412.49 and 120,229.19
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Solution
The fourth proportional to 168,572.14, 232,412.49 and 120,229.19 is: 165,761.47
Step by Step Solution
- Step 1: Write the proportion equation
168,572.14 : 232,412.49 = 120,229.19 : x - Step 2: Convert to fraction form
168,572.14/232,412.49 = 120,229.19/x - Step 3: Cross multiply
168,572.14x = 232,412.49 × 120,229.19 - Step 4: Simplify right side
168,572.14x = 27,942,764,474.41 - Step 5: Solve for x
x = 27,942,764,474.41/168,572.14 - Step 6: Final answer
x = 165,761.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.