Finding the Fourth Proportional to 207,195.08, 285,924.47 and 126,622.35
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Solution
The fourth proportional to 207,195.08, 285,924.47 and 126,622.35 is: 174,735.95
Step by Step Solution
- Step 1: Write the proportion equation
207,195.08 : 285,924.47 = 126,622.35 : x - Step 2: Convert to fraction form
207,195.08/285,924.47 = 126,622.35/x - Step 3: Cross multiply
207,195.08x = 285,924.47 × 126,622.35 - Step 4: Simplify right side
207,195.08x = 36,204,427,680.79 - Step 5: Solve for x
x = 36,204,427,680.79/207,195.08 - Step 6: Final answer
x = 174,735.95
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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.