Finding the Fourth Proportional to 84,185.44, 126,250.68 and 28,010.44
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Solution
The fourth proportional to 84,185.44, 126,250.68 and 28,010.44 is: 42,006.52
Step by Step Solution
- Step 1: Write the proportion equation
84,185.44 : 126,250.68 = 28,010.44 : x - Step 2: Convert to fraction form
84,185.44/126,250.68 = 28,010.44/x - Step 3: Cross multiply
84,185.44x = 126,250.68 × 28,010.44 - Step 4: Simplify right side
84,185.44x = 3,536,337,097.10 - Step 5: Solve for x
x = 3,536,337,097.10/84,185.44 - Step 6: Final answer
x = 42,006.52
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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.