Finding the Fourth Proportional to 300,638.92, 414,778.70 and 171,484.60
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Solution
The fourth proportional to 300,638.92, 414,778.70 and 171,484.60 is: 236,589.99
Step by Step Solution
- Step 1: Write the proportion equation
300,638.92 : 414,778.70 = 171,484.60 : x - Step 2: Convert to fraction form
300,638.92/414,778.70 = 171,484.60/x - Step 3: Cross multiply
300,638.92x = 414,778.70 × 171,484.60 - Step 4: Simplify right side
300,638.92x = 71,128,159,458.02 - Step 5: Solve for x
x = 71,128,159,458.02/300,638.92 - Step 6: Final answer
x = 236,589.99
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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.