Finding the Fourth Proportional to 202,742.18, 279,772.22 and 112,091.03
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Solution
The fourth proportional to 202,742.18, 279,772.22 and 112,091.03 is: 154,678.99
Step by Step Solution
- Step 1: Write the proportion equation
202,742.18 : 279,772.22 = 112,091.03 : x - Step 2: Convert to fraction form
202,742.18/279,772.22 = 112,091.03/x - Step 3: Cross multiply
202,742.18x = 279,772.22 × 112,091.03 - Step 4: Simplify right side
202,742.18x = 31,359,954,345.87 - Step 5: Solve for x
x = 31,359,954,345.87/202,742.18 - Step 6: Final answer
x = 154,678.99
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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.