Finding the Fourth Proportional to 373,531.76, 515,452.84 and 212,364.08
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Solution
The fourth proportional to 373,531.76, 515,452.84 and 212,364.08 is: 293,050.50
Step by Step Solution
- Step 1: Write the proportion equation
373,531.76 : 515,452.84 = 212,364.08 : x - Step 2: Convert to fraction form
373,531.76/515,452.84 = 212,364.08/x - Step 3: Cross multiply
373,531.76x = 515,452.84 × 212,364.08 - Step 4: Simplify right side
373,531.76x = 109,463,668,149.99 - Step 5: Solve for x
x = 109,463,668,149.99/373,531.76 - Step 6: Final answer
x = 293,050.50
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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.