Finding the Fourth Proportional to 226,286.37, 312,240.49 and 130,774.63
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Solution
The fourth proportional to 226,286.37, 312,240.49 and 130,774.63 is: 180,448.94
Step by Step Solution
- Step 1: Write the proportion equation
226,286.37 : 312,240.49 = 130,774.63 : x - Step 2: Convert to fraction form
226,286.37/312,240.49 = 130,774.63/x - Step 3: Cross multiply
226,286.37x = 312,240.49 × 130,774.63 - Step 4: Simplify right side
226,286.37x = 40,833,134,550.77 - Step 5: Solve for x
x = 40,833,134,550.77/226,286.37 - Step 6: Final answer
x = 180,448.94
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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.