Finding the Fourth Proportional to 203,955.49, 305,901.60 and 104,189.41
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Solution
The fourth proportional to 203,955.49, 305,901.60 and 104,189.41 is: 156,267.95
Step by Step Solution
- Step 1: Write the proportion equation
203,955.49 : 305,901.60 = 104,189.41 : x - Step 2: Convert to fraction form
203,955.49/305,901.60 = 104,189.41/x - Step 3: Cross multiply
203,955.49x = 305,901.60 × 104,189.41 - Step 4: Simplify right side
203,955.49x = 31,871,707,222.06 - Step 5: Solve for x
x = 31,871,707,222.06/203,955.49 - Step 6: Final answer
x = 156,267.95
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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.