Finding the Fourth Proportional to 163,276.80, 244,857.60 and 74,572.80
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Solution
The fourth proportional to 163,276.80, 244,857.60 and 74,572.80 is: 111,832.89
Step by Step Solution
- Step 1: Write the proportion equation
163,276.80 : 244,857.60 = 74,572.80 : x - Step 2: Convert to fraction form
163,276.80/244,857.60 = 74,572.80/x - Step 3: Cross multiply
163,276.80x = 244,857.60 × 74,572.80 - Step 4: Simplify right side
163,276.80x = 18,259,716,833.28 - Step 5: Solve for x
x = 18,259,716,833.28/163,276.80 - Step 6: Final answer
x = 111,832.89
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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.