Finding the Fourth Proportional to 493,161.49, 680,524.09 and 302,148.91
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Solution
The fourth proportional to 493,161.49, 680,524.09 and 302,148.91 is: 416,941.74
Step by Step Solution
- Step 1: Write the proportion equation
493,161.49 : 680,524.09 = 302,148.91 : x - Step 2: Convert to fraction form
493,161.49/680,524.09 = 302,148.91/x - Step 3: Cross multiply
493,161.49x = 680,524.09 × 302,148.91 - Step 4: Simplify right side
493,161.49x = 205,619,612,022.24 - Step 5: Solve for x
x = 205,619,612,022.24/493,161.49 - Step 6: Final answer
x = 416,941.74
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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.