Finding the Fourth Proportional to 453,387.70, 625,649.97 and 252,170.74
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Solution
The fourth proportional to 453,387.70, 625,649.97 and 252,170.74 is: 347,981.69
Step by Step Solution
- Step 1: Write the proportion equation
453,387.70 : 625,649.97 = 252,170.74 : x - Step 2: Convert to fraction form
453,387.70/625,649.97 = 252,170.74/x - Step 3: Cross multiply
453,387.70x = 625,649.97 × 252,170.74 - Step 4: Simplify right side
453,387.70x = 157,770,615,915.88 - Step 5: Solve for x
x = 157,770,615,915.88/453,387.70 - Step 6: Final answer
x = 347,981.69
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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.