Finding the Fourth Proportional to 202,018.58, 278,778.44 and 110,135.96
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Solution
The fourth proportional to 202,018.58, 278,778.44 and 110,135.96 is: 151,983.70
Step by Step Solution
- Step 1: Write the proportion equation
202,018.58 : 278,778.44 = 110,135.96 : x - Step 2: Convert to fraction form
202,018.58/278,778.44 = 110,135.96/x - Step 3: Cross multiply
202,018.58x = 278,778.44 × 110,135.96 - Step 4: Simplify right side
202,018.58x = 30,703,531,116.70 - Step 5: Solve for x
x = 30,703,531,116.70/202,018.58 - Step 6: Final answer
x = 151,983.70
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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.