Finding the Fourth Proportional to 226,508.20, 312,581.94 and 124,544.08
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Solution
The fourth proportional to 226,508.20, 312,581.94 and 124,544.08 is: 171,871.17
Step by Step Solution
- Step 1: Write the proportion equation
226,508.20 : 312,581.94 = 124,544.08 : x - Step 2: Convert to fraction form
226,508.20/312,581.94 = 124,544.08/x - Step 3: Cross multiply
226,508.20x = 312,581.94 × 124,544.08 - Step 4: Simplify right side
226,508.20x = 38,930,230,141.92 - Step 5: Solve for x
x = 38,930,230,141.92/226,508.20 - Step 6: Final answer
x = 171,871.17
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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.