Finding the Fourth Proportional to 202,559.75, 279,532.46 and 113,135.75
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Solution
The fourth proportional to 202,559.75, 279,532.46 and 113,135.75 is: 156,127.34
Step by Step Solution
- Step 1: Write the proportion equation
202,559.75 : 279,532.46 = 113,135.75 : x - Step 2: Convert to fraction form
202,559.75/279,532.46 = 113,135.75/x - Step 3: Cross multiply
202,559.75x = 279,532.46 × 113,135.75 - Step 4: Simplify right side
202,559.75x = 31,625,114,511.45 - Step 5: Solve for x
x = 31,625,114,511.45/202,559.75 - Step 6: Final answer
x = 156,127.34
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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.