Finding the Fourth Proportional to 154,610.44, 213,791.88 and 122,723.98
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Solution
The fourth proportional to 154,610.44, 213,791.88 and 122,723.98 is: 169,699.99
Step by Step Solution
- Step 1: Write the proportion equation
154,610.44 : 213,791.88 = 122,723.98 : x - Step 2: Convert to fraction form
154,610.44/213,791.88 = 122,723.98/x - Step 3: Cross multiply
154,610.44x = 213,791.88 × 122,723.98 - Step 4: Simplify right side
154,610.44x = 26,237,390,405.28 - Step 5: Solve for x
x = 26,237,390,405.28/154,610.44 - Step 6: Final answer
x = 169,699.99
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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.