Finding the Fourth Proportional to 129,575.79, 194,363.69 and 50,634.63
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Solution
The fourth proportional to 129,575.79, 194,363.69 and 50,634.63 is: 75,951.95
Step by Step Solution
- Step 1: Write the proportion equation
129,575.79 : 194,363.69 = 50,634.63 : x - Step 2: Convert to fraction form
129,575.79/194,363.69 = 50,634.63/x - Step 3: Cross multiply
129,575.79x = 194,363.69 × 50,634.63 - Step 4: Simplify right side
129,575.79x = 9,841,533,275.41 - Step 5: Solve for x
x = 9,841,533,275.41/129,575.79 - Step 6: Final answer
x = 75,951.95
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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.