Finding the Fourth Proportional to 386,305.28, 533,100.43 and 214,218.99
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Solution
The fourth proportional to 386,305.28, 533,100.43 and 214,218.99 is: 295,621.73
Step by Step Solution
- Step 1: Write the proportion equation
386,305.28 : 533,100.43 = 214,218.99 : x - Step 2: Convert to fraction form
386,305.28/533,100.43 = 214,218.99/x - Step 3: Cross multiply
386,305.28x = 533,100.43 × 214,218.99 - Step 4: Simplify right side
386,305.28x = 114,200,233,279.32 - Step 5: Solve for x
x = 114,200,233,279.32/386,305.28 - Step 6: Final answer
x = 295,621.73
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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.