Finding the Fourth Proportional to 203,854.95, 281,326.94 and 113,212.42
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Solution
The fourth proportional to 203,854.95, 281,326.94 and 113,212.42 is: 156,237.08
Step by Step Solution
- Step 1: Write the proportion equation
203,854.95 : 281,326.94 = 113,212.42 : x - Step 2: Convert to fraction form
203,854.95/281,326.94 = 113,212.42/x - Step 3: Cross multiply
203,854.95x = 281,326.94 × 113,212.42 - Step 4: Simplify right side
203,854.95x = 31,849,702,419.22 - Step 5: Solve for x
x = 31,849,702,419.22/203,854.95 - Step 6: Final answer
x = 156,237.08
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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.