Finding the Fourth Proportional to 229,616.45, 316,874.47 and 126,254.99
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Solution
The fourth proportional to 229,616.45, 316,874.47 and 126,254.99 is: 174,233.95
Step by Step Solution
- Step 1: Write the proportion equation
229,616.45 : 316,874.47 = 126,254.99 : x - Step 2: Convert to fraction form
229,616.45/316,874.47 = 126,254.99/x - Step 3: Cross multiply
229,616.45x = 316,874.47 × 126,254.99 - Step 4: Simplify right side
229,616.45x = 40,006,981,772.37 - Step 5: Solve for x
x = 40,006,981,772.37/229,616.45 - Step 6: Final answer
x = 174,233.95
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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.