Finding the Fourth Proportional to 217,467.75, 300,106.05 and 126,885.99
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Solution
The fourth proportional to 217,467.75, 300,106.05 and 126,885.99 is: 175,102.99
Step by Step Solution
- Step 1: Write the proportion equation
217,467.75 : 300,106.05 = 126,885.99 : x - Step 2: Convert to fraction form
217,467.75/300,106.05 = 126,885.99/x - Step 3: Cross multiply
217,467.75x = 300,106.05 × 126,885.99 - Step 4: Simplify right side
217,467.75x = 38,079,253,259.24 - Step 5: Solve for x
x = 38,079,253,259.24/217,467.75 - Step 6: Final answer
x = 175,102.99
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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.