Finding the Fourth Proportional to 202,625.28, 279,622.80 and 113,201.28
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Solution
The fourth proportional to 202,625.28, 279,622.80 and 113,201.28 is: 156,217.72
Step by Step Solution
- Step 1: Write the proportion equation
202,625.28 : 279,622.80 = 113,201.28 : x - Step 2: Convert to fraction form
202,625.28/279,622.80 = 113,201.28/x - Step 3: Cross multiply
202,625.28x = 279,622.80 × 113,201.28 - Step 4: Simplify right side
202,625.28x = 31,653,658,877.18 - Step 5: Solve for x
x = 31,653,658,877.18/202,625.28 - Step 6: Final answer
x = 156,217.72
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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.