Finding the Fourth Proportional to 129,122.24, 193,694.52 and 35,627.99
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Solution
The fourth proportional to 129,122.24, 193,694.52 and 35,627.99 is: 53,445.06
Step by Step Solution
- Step 1: Write the proportion equation
129,122.24 : 193,694.52 = 35,627.99 : x - Step 2: Convert to fraction form
129,122.24/193,694.52 = 35,627.99/x - Step 3: Cross multiply
129,122.24x = 193,694.52 × 35,627.99 - Step 4: Simplify right side
129,122.24x = 6,900,946,421.61 - Step 5: Solve for x
x = 6,900,946,421.61/129,122.24 - Step 6: Final answer
x = 53,445.06
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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.