Finding the Fourth Proportional to 548,509.62, 822,378.06 and 211,267.74
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Solution
The fourth proportional to 548,509.62, 822,378.06 and 211,267.74 is: 316,752.79
Step by Step Solution
- Step 1: Write the proportion equation
548,509.62 : 822,378.06 = 211,267.74 : x - Step 2: Convert to fraction form
548,509.62/822,378.06 = 211,267.74/x - Step 3: Cross multiply
548,509.62x = 822,378.06 × 211,267.74 - Step 4: Simplify right side
548,509.62x = 173,741,954,161.78 - Step 5: Solve for x
x = 173,741,954,161.78/548,509.62 - Step 6: Final answer
x = 316,752.79
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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.