Finding the Fourth Proportional to 226,228.21, 312,160.19 and 130,716.45
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Solution
The fourth proportional to 226,228.21, 312,160.19 and 130,716.45 is: 180,368.63
Step by Step Solution
- Step 1: Write the proportion equation
226,228.21 : 312,160.19 = 130,716.45 : x - Step 2: Convert to fraction form
226,228.21/312,160.19 = 130,716.45/x - Step 3: Cross multiply
226,228.21x = 312,160.19 × 130,716.45 - Step 4: Simplify right side
226,228.21x = 40,804,471,214.54 - Step 5: Solve for x
x = 40,804,471,214.54/226,228.21 - Step 6: Final answer
x = 180,368.63
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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.