Finding the Fourth Proportional to 227,745.66, 314,372.88 and 137,105.84
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Solution
The fourth proportional to 227,745.66, 314,372.88 and 137,105.84 is: 189,256.55
Step by Step Solution
- Step 1: Write the proportion equation
227,745.66 : 314,372.88 = 137,105.84 : x - Step 2: Convert to fraction form
227,745.66/314,372.88 = 137,105.84/x - Step 3: Cross multiply
227,745.66x = 314,372.88 × 137,105.84 - Step 4: Simplify right side
227,745.66x = 43,102,357,785.62 - Step 5: Solve for x
x = 43,102,357,785.62/227,745.66 - Step 6: Final answer
x = 189,256.55
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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.