Finding the Fourth Proportional to 202,537.29, 279,496.55 and 111,901.94
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Solution
The fourth proportional to 202,537.29, 279,496.55 and 111,901.94 is: 154,421.95
Step by Step Solution
- Step 1: Write the proportion equation
202,537.29 : 279,496.55 = 111,901.94 : x - Step 2: Convert to fraction form
202,537.29/279,496.55 = 111,901.94/x - Step 3: Cross multiply
202,537.29x = 279,496.55 × 111,901.94 - Step 4: Simplify right side
202,537.29x = 31,276,204,211.31 - Step 5: Solve for x
x = 31,276,204,211.31/202,537.29 - Step 6: Final answer
x = 154,421.95
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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.