Finding the Fourth Proportional to 203,324.52, 280,684.26 and 135,454.62
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Solution
The fourth proportional to 203,324.52, 280,684.26 and 135,454.62 is: 186,991.61
Step by Step Solution
- Step 1: Write the proportion equation
203,324.52 : 280,684.26 = 135,454.62 : x - Step 2: Convert to fraction form
203,324.52/280,684.26 = 135,454.62/x - Step 3: Cross multiply
203,324.52x = 280,684.26 × 135,454.62 - Step 4: Simplify right side
203,324.52x = 38,019,979,778.28 - Step 5: Solve for x
x = 38,019,979,778.28/203,324.52 - Step 6: Final answer
x = 186,991.61
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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.