Finding the Fourth Proportional to 208,385.26, 312,459.73 and 66,202.92
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Solution
The fourth proportional to 208,385.26, 312,459.73 and 66,202.92 is: 99,266.84
Step by Step Solution
- Step 1: Write the proportion equation
208,385.26 : 312,459.73 = 66,202.92 : x - Step 2: Convert to fraction form
208,385.26/312,459.73 = 66,202.92/x - Step 3: Cross multiply
208,385.26x = 312,459.73 × 66,202.92 - Step 4: Simplify right side
208,385.26x = 20,685,746,342.90 - Step 5: Solve for x
x = 20,685,746,342.90/208,385.26 - Step 6: Final answer
x = 99,266.84
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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.