Finding the Fourth Proportional to 129,529.04, 194,330.68 and 46,428.88
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Solution
The fourth proportional to 129,529.04, 194,330.68 and 46,428.88 is: 69,656.63
Step by Step Solution
- Step 1: Write the proportion equation
129,529.04 : 194,330.68 = 46,428.88 : x - Step 2: Convert to fraction form
129,529.04/194,330.68 = 46,428.88/x - Step 3: Cross multiply
129,529.04x = 194,330.68 × 46,428.88 - Step 4: Simplify right side
129,529.04x = 9,022,555,822.04 - Step 5: Solve for x
x = 9,022,555,822.04/129,529.04 - Step 6: Final answer
x = 69,656.63
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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.