Finding the Fourth Proportional to 119,950.44, 180,042.28 and 57,664.68
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Solution
The fourth proportional to 119,950.44, 180,042.28 and 57,664.68 is: 86,553.08
Step by Step Solution
- Step 1: Write the proportion equation
119,950.44 : 180,042.28 = 57,664.68 : x - Step 2: Convert to fraction form
119,950.44/180,042.28 = 57,664.68/x - Step 3: Cross multiply
119,950.44x = 180,042.28 × 57,664.68 - Step 4: Simplify right side
119,950.44x = 10,382,080,462.67 - Step 5: Solve for x
x = 10,382,080,462.67/119,950.44 - Step 6: Final answer
x = 86,553.08
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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.