Finding the Fourth Proportional to 226,508.21, 312,581.94 and 124,544.09
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Solution
The fourth proportional to 226,508.21, 312,581.94 and 124,544.09 is: 171,871.18
Step by Step Solution
- Step 1: Write the proportion equation
226,508.21 : 312,581.94 = 124,544.09 : x - Step 2: Convert to fraction form
226,508.21/312,581.94 = 124,544.09/x - Step 3: Cross multiply
226,508.21x = 312,581.94 × 124,544.09 - Step 4: Simplify right side
226,508.21x = 38,930,231,704.82 - Step 5: Solve for x
x = 38,930,231,704.82/226,508.21 - Step 6: Final answer
x = 171,871.18
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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.