Finding the Fourth Proportional to 227,474.24, 313,814.64 and 136,777.76
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Solution
The fourth proportional to 227,474.24, 313,814.64 and 136,777.76 is: 188,693.29
Step by Step Solution
- Step 1: Write the proportion equation
227,474.24 : 313,814.64 = 136,777.76 : x - Step 2: Convert to fraction form
227,474.24/313,814.64 = 136,777.76/x - Step 3: Cross multiply
227,474.24x = 313,814.64 × 136,777.76 - Step 4: Simplify right side
227,474.24x = 42,922,863,514.41 - Step 5: Solve for x
x = 42,922,863,514.41/227,474.24 - Step 6: Final answer
x = 188,693.29
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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.