Finding the Fourth Proportional to 434,161.62, 651,662.82 and 209,679.84
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Solution
The fourth proportional to 434,161.62, 651,662.82 and 209,679.84 is: 314,722.79
Step by Step Solution
- Step 1: Write the proportion equation
434,161.62 : 651,662.82 = 209,679.84 : x - Step 2: Convert to fraction form
434,161.62/651,662.82 = 209,679.84/x - Step 3: Cross multiply
434,161.62x = 651,662.82 × 209,679.84 - Step 4: Simplify right side
434,161.62x = 136,640,555,831.55 - Step 5: Solve for x
x = 136,640,555,831.55/434,161.62 - Step 6: Final answer
x = 314,722.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.