Finding the Fourth Proportional to 154,030.26, 230,519.70 and 129,098.46
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Solution
The fourth proportional to 154,030.26, 230,519.70 and 129,098.46 is: 193,207.09
Step by Step Solution
- Step 1: Write the proportion equation
154,030.26 : 230,519.70 = 129,098.46 : x - Step 2: Convert to fraction form
154,030.26/230,519.70 = 129,098.46/x - Step 3: Cross multiply
154,030.26x = 230,519.70 × 129,098.46 - Step 4: Simplify right side
154,030.26x = 29,759,738,269.66 - Step 5: Solve for x
x = 29,759,738,269.66/154,030.26 - Step 6: Final answer
x = 193,207.09
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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.