Finding the Fourth Proportional to 202,518.05, 279,477.23 and 111,872.12
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Solution
The fourth proportional to 202,518.05, 279,477.23 and 111,872.12 is: 154,384.80
Step by Step Solution
- Step 1: Write the proportion equation
202,518.05 : 279,477.23 = 111,872.12 : x - Step 2: Convert to fraction form
202,518.05/279,477.23 = 111,872.12/x - Step 3: Cross multiply
202,518.05x = 279,477.23 × 111,872.12 - Step 4: Simplify right side
202,518.05x = 31,265,708,255.08 - Step 5: Solve for x
x = 31,265,708,255.08/202,518.05 - Step 6: Final answer
x = 154,384.80
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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.