Finding the Fourth Proportional to 318,869.06, 440,059.26 and 175,629.08
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Solution
The fourth proportional to 318,869.06, 440,059.26 and 175,629.08 is: 242,379.12
Step by Step Solution
- Step 1: Write the proportion equation
318,869.06 : 440,059.26 = 175,629.08 : x - Step 2: Convert to fraction form
318,869.06/440,059.26 = 175,629.08/x - Step 3: Cross multiply
318,869.06x = 440,059.26 × 175,629.08 - Step 4: Simplify right side
318,869.06x = 77,287,202,979.28 - Step 5: Solve for x
x = 77,287,202,979.28/318,869.06 - Step 6: Final answer
x = 242,379.12
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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.