Finding the Fourth Proportional to 203,955.34, 305,827.95 and 91,539.18
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Solution
The fourth proportional to 203,955.34, 305,827.95 and 91,539.18 is: 137,261.62
Step by Step Solution
- Step 1: Write the proportion equation
203,955.34 : 305,827.95 = 91,539.18 : x - Step 2: Convert to fraction form
203,955.34/305,827.95 = 91,539.18/x - Step 3: Cross multiply
203,955.34x = 305,827.95 × 91,539.18 - Step 4: Simplify right side
203,955.34x = 27,995,239,764.08 - Step 5: Solve for x
x = 27,995,239,764.08/203,955.34 - Step 6: Final answer
x = 137,261.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.