Finding the Fourth Proportional to 311,777.99, 430,254.26 and 168,538.04
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Solution
The fourth proportional to 311,777.99, 430,254.26 and 168,538.04 is: 232,582.83
Step by Step Solution
- Step 1: Write the proportion equation
311,777.99 : 430,254.26 = 168,538.04 : x - Step 2: Convert to fraction form
311,777.99/430,254.26 = 168,538.04/x - Step 3: Cross multiply
311,777.99x = 430,254.26 × 168,538.04 - Step 4: Simplify right side
311,777.99x = 72,514,208,694.14 - Step 5: Solve for x
x = 72,514,208,694.14/311,777.99 - Step 6: Final answer
x = 232,582.83
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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.