Finding the Fourth Proportional to 226,441.40, 312,409.44 and 135,826.68
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Solution
The fourth proportional to 226,441.40, 312,409.44 and 135,826.68 is: 187,393.02
Step by Step Solution
- Step 1: Write the proportion equation
226,441.40 : 312,409.44 = 135,826.68 : x - Step 2: Convert to fraction form
226,441.40/312,409.44 = 135,826.68/x - Step 3: Cross multiply
226,441.40x = 312,409.44 × 135,826.68 - Step 4: Simplify right side
226,441.40x = 42,433,537,035.86 - Step 5: Solve for x
x = 42,433,537,035.86/226,441.40 - Step 6: Final answer
x = 187,393.02
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1.5x scale
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.