Finding the Fourth Proportional to 193,236.04, 289,713.93 and 129,899.06
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Solution
The fourth proportional to 193,236.04, 289,713.93 and 129,899.06 is: 194,754.39
Step by Step Solution
- Step 1: Write the proportion equation
193,236.04 : 289,713.93 = 129,899.06 : x - Step 2: Convert to fraction form
193,236.04/289,713.93 = 129,899.06/x - Step 3: Cross multiply
193,236.04x = 289,713.93 × 129,899.06 - Step 4: Simplify right side
193,236.04x = 37,633,567,175.91 - Step 5: Solve for x
x = 37,633,567,175.91/193,236.04 - Step 6: Final answer
x = 194,754.39
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1.5x scale
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.