Finding the Fourth Proportional to 204,697.06, 306,987.27 and 129,704.02
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Solution
The fourth proportional to 204,697.06, 306,987.27 and 129,704.02 is: 194,519.08
Step by Step Solution
- Step 1: Write the proportion equation
204,697.06 : 306,987.27 = 129,704.02 : x - Step 2: Convert to fraction form
204,697.06/306,987.27 = 129,704.02/x - Step 3: Cross multiply
204,697.06x = 306,987.27 × 129,704.02 - Step 4: Simplify right side
204,697.06x = 39,817,483,007.83 - Step 5: Solve for x
x = 39,817,483,007.83/204,697.06 - Step 6: Final answer
x = 194,519.08
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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.