Finding the Fourth Proportional to 189,202.80, 283,415.40 and 95,761.20
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Solution
The fourth proportional to 189,202.80, 283,415.40 and 95,761.20 is: 143,445.02
Step by Step Solution
- Step 1: Write the proportion equation
189,202.80 : 283,415.40 = 95,761.20 : x - Step 2: Convert to fraction form
189,202.80/283,415.40 = 95,761.20/x - Step 3: Cross multiply
189,202.80x = 283,415.40 × 95,761.20 - Step 4: Simplify right side
189,202.80x = 27,140,198,802.48 - Step 5: Solve for x
x = 27,140,198,802.48/189,202.80 - Step 6: Final answer
x = 143,445.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.