Finding the Fourth Proportional to 386,377.97, 533,205.99 and 214,299.34
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Solution
The fourth proportional to 386,377.97, 533,205.99 and 214,299.34 is: 295,735.53
Step by Step Solution
- Step 1: Write the proportion equation
386,377.97 : 533,205.99 = 214,299.34 : x - Step 2: Convert to fraction form
386,377.97/533,205.99 = 214,299.34/x - Step 3: Cross multiply
386,377.97x = 533,205.99 × 214,299.34 - Step 4: Simplify right side
386,377.97x = 114,265,690,408.03 - Step 5: Solve for x
x = 114,265,690,408.03/386,377.97 - Step 6: Final answer
x = 295,735.53
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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.