Finding the Fourth Proportional to 202,453.88, 279,386.37 and 117,576.41
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Solution
The fourth proportional to 202,453.88, 279,386.37 and 117,576.41 is: 162,255.45
Step by Step Solution
- Step 1: Write the proportion equation
202,453.88 : 279,386.37 = 117,576.41 : x - Step 2: Convert to fraction form
202,453.88/279,386.37 = 117,576.41/x - Step 3: Cross multiply
202,453.88x = 279,386.37 × 117,576.41 - Step 4: Simplify right side
202,453.88x = 32,849,244,990.60 - Step 5: Solve for x
x = 32,849,244,990.60/202,453.88 - Step 6: Final answer
x = 162,255.45
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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.