Finding the Fourth Proportional to 129,134.71, 193,706.44 and 34,364.99
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Solution
The fourth proportional to 129,134.71, 193,706.44 and 34,364.99 is: 51,548.64
Step by Step Solution
- Step 1: Write the proportion equation
129,134.71 : 193,706.44 = 34,364.99 : x - Step 2: Convert to fraction form
129,134.71/193,706.44 = 34,364.99/x - Step 3: Cross multiply
129,134.71x = 193,706.44 × 34,364.99 - Step 4: Simplify right side
129,134.71x = 6,656,718,733.18 - Step 5: Solve for x
x = 6,656,718,733.18/129,134.71 - Step 6: Final answer
x = 51,548.64
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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.