Finding the Fourth Proportional to 226,610.02, 312,729.42 and 124,639.75
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Solution
The fourth proportional to 226,610.02, 312,729.42 and 124,639.75 is: 172,007.03
Step by Step Solution
- Step 1: Write the proportion equation
226,610.02 : 312,729.42 = 124,639.75 : x - Step 2: Convert to fraction form
226,610.02/312,729.42 = 124,639.75/x - Step 3: Cross multiply
226,610.02x = 312,729.42 × 124,639.75 - Step 4: Simplify right side
226,610.02x = 38,978,516,726.45 - Step 5: Solve for x
x = 38,978,516,726.45/226,610.02 - Step 6: Final answer
x = 172,007.03
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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.