Finding the Fourth Proportional to 129,468.26, 194,188.26 and 34,707.74
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Solution
The fourth proportional to 129,468.26, 194,188.26 and 34,707.74 is: 52,057.82
Step by Step Solution
- Step 1: Write the proportion equation
129,468.26 : 194,188.26 = 34,707.74 : x - Step 2: Convert to fraction form
129,468.26/194,188.26 = 34,707.74/x - Step 3: Cross multiply
129,468.26x = 194,188.26 × 34,707.74 - Step 4: Simplify right side
129,468.26x = 6,739,835,639.13 - Step 5: Solve for x
x = 6,739,835,639.13/129,468.26 - Step 6: Final answer
x = 52,057.82
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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.