Finding the Fourth Proportional to 134,649.36, 201,911.92 and 39,845.64
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Solution
The fourth proportional to 134,649.36, 201,911.92 and 39,845.64 is: 59,750.08
Step by Step Solution
- Step 1: Write the proportion equation
134,649.36 : 201,911.92 = 39,845.64 : x - Step 2: Convert to fraction form
134,649.36/201,911.92 = 39,845.64/x - Step 3: Cross multiply
134,649.36x = 201,911.92 × 39,845.64 - Step 4: Simplify right side
134,649.36x = 8,045,309,676.03 - Step 5: Solve for x
x = 8,045,309,676.03/134,649.36 - Step 6: Final answer
x = 59,750.08
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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.