Finding the Fourth Proportional to 154,953.27, 213,800.72 and 91,296.99
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Solution
The fourth proportional to 154,953.27, 213,800.72 and 91,296.99 is: 125,969.34
Step by Step Solution
- Step 1: Write the proportion equation
154,953.27 : 213,800.72 = 91,296.99 : x - Step 2: Convert to fraction form
154,953.27/213,800.72 = 91,296.99/x - Step 3: Cross multiply
154,953.27x = 213,800.72 × 91,296.99 - Step 4: Simplify right side
154,953.27x = 19,519,361,739.35 - Step 5: Solve for x
x = 19,519,361,739.35/154,953.27 - Step 6: Final answer
x = 125,969.34
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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.