Finding the Fourth Proportional to 129,631.95, 194,370.17 and 50,652.09
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Solution
The fourth proportional to 129,631.95, 194,370.17 and 50,652.09 is: 75,947.75
Step by Step Solution
- Step 1: Write the proportion equation
129,631.95 : 194,370.17 = 50,652.09 : x - Step 2: Convert to fraction form
129,631.95/194,370.17 = 50,652.09/x - Step 3: Cross multiply
129,631.95x = 194,370.17 × 50,652.09 - Step 4: Simplify right side
129,631.95x = 9,845,255,090.89 - Step 5: Solve for x
x = 9,845,255,090.89/129,631.95 - Step 6: Final answer
x = 75,947.75
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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.