Finding the Fourth Proportional to 202,272.73, 279,241.28 and 147,763.68
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Solution
The fourth proportional to 202,272.73, 279,241.28 and 147,763.68 is: 203,990.52
Step by Step Solution
- Step 1: Write the proportion equation
202,272.73 : 279,241.28 = 147,763.68 : x - Step 2: Convert to fraction form
202,272.73/279,241.28 = 147,763.68/x - Step 3: Cross multiply
202,272.73x = 279,241.28 × 147,763.68 - Step 4: Simplify right side
202,272.73x = 41,261,717,908.85 - Step 5: Solve for x
x = 41,261,717,908.85/202,272.73 - Step 6: Final answer
x = 203,990.52
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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.