Finding the Fourth Proportional to 203,202.81, 280,407.54 and 112,553.49
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Solution
The fourth proportional to 203,202.81, 280,407.54 and 112,553.49 is: 155,316.98
Step by Step Solution
- Step 1: Write the proportion equation
203,202.81 : 280,407.54 = 112,553.49 : x - Step 2: Convert to fraction form
203,202.81/280,407.54 = 112,553.49/x - Step 3: Cross multiply
203,202.81x = 280,407.54 × 112,553.49 - Step 4: Simplify right side
203,202.81x = 31,560,847,249.31 - Step 5: Solve for x
x = 31,560,847,249.31/203,202.81 - Step 6: Final answer
x = 155,316.98
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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.