Finding the Fourth Proportional to 154,560.26, 213,083.74 and 132,140.09
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Solution
The fourth proportional to 154,560.26, 213,083.74 and 132,140.09 is: 182,174.28
Step by Step Solution
- Step 1: Write the proportion equation
154,560.26 : 213,083.74 = 132,140.09 : x - Step 2: Convert to fraction form
154,560.26/213,083.74 = 132,140.09/x - Step 3: Cross multiply
154,560.26x = 213,083.74 × 132,140.09 - Step 4: Simplify right side
154,560.26x = 28,156,905,279.02 - Step 5: Solve for x
x = 28,156,905,279.02/154,560.26 - Step 6: Final answer
x = 182,174.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.