Finding the Fourth Proportional to 208,044.80, 312,175.20 and 97,236.80
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Solution
The fourth proportional to 208,044.80, 312,175.20 and 97,236.80 is: 145,905.68
Step by Step Solution
- Step 1: Write the proportion equation
208,044.80 : 312,175.20 = 97,236.80 : x - Step 2: Convert to fraction form
208,044.80/312,175.20 = 97,236.80/x - Step 3: Cross multiply
208,044.80x = 312,175.20 × 97,236.80 - Step 4: Simplify right side
208,044.80x = 30,354,917,487.36 - Step 5: Solve for x
x = 30,354,917,487.36/208,044.80 - Step 6: Final answer
x = 145,905.68
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1.5x scale
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.