Finding the Fourth Proportional to 323,578.26, 485,586.09 and 113,218.02
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Solution
The fourth proportional to 323,578.26, 485,586.09 and 113,218.02 is: 169,903.55
Step by Step Solution
- Step 1: Write the proportion equation
323,578.26 : 485,586.09 = 113,218.02 : x - Step 2: Convert to fraction form
323,578.26/485,586.09 = 113,218.02/x - Step 3: Cross multiply
323,578.26x = 485,586.09 × 113,218.02 - Step 4: Simplify right side
323,578.26x = 54,977,095,649.34 - Step 5: Solve for x
x = 54,977,095,649.34/323,578.26 - Step 6: Final answer
x = 169,903.55
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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.