Finding the Fourth Proportional to 496,881.08, 685,757.88 and 282,090.68
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Solution
The fourth proportional to 496,881.08, 685,757.88 and 282,090.68 is: 389,320.33
Step by Step Solution
- Step 1: Write the proportion equation
496,881.08 : 685,757.88 = 282,090.68 : x - Step 2: Convert to fraction form
496,881.08/685,757.88 = 282,090.68/x - Step 3: Cross multiply
496,881.08x = 685,757.88 × 282,090.68 - Step 4: Simplify right side
496,881.08x = 193,445,906,684.56 - Step 5: Solve for x
x = 193,445,906,684.56/496,881.08 - Step 6: Final answer
x = 389,320.33
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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.