Finding the Fourth Proportional to 203,984.60, 281,408.18 and 135,935.28
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Solution
The fourth proportional to 203,984.60, 281,408.18 and 135,935.28 is: 187,530.33
Step by Step Solution
- Step 1: Write the proportion equation
203,984.60 : 281,408.18 = 135,935.28 : x - Step 2: Convert to fraction form
203,984.60/281,408.18 = 135,935.28/x - Step 3: Cross multiply
203,984.60x = 281,408.18 × 135,935.28 - Step 4: Simplify right side
203,984.60x = 38,253,299,062.91 - Step 5: Solve for x
x = 38,253,299,062.91/203,984.60 - Step 6: Final answer
x = 187,530.33
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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.