Finding the Fourth Proportional to 207,154.04, 285,894.51 and 126,628.70
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Solution
The fourth proportional to 207,154.04, 285,894.51 and 126,628.70 is: 174,761.01
Step by Step Solution
- Step 1: Write the proportion equation
207,154.04 : 285,894.51 = 126,628.70 : x - Step 2: Convert to fraction form
207,154.04/285,894.51 = 126,628.70/x - Step 3: Cross multiply
207,154.04x = 285,894.51 × 126,628.70 - Step 4: Simplify right side
207,154.04x = 36,202,450,138.44 - Step 5: Solve for x
x = 36,202,450,138.44/207,154.04 - Step 6: Final answer
x = 174,761.01
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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.