Finding the Fourth Proportional to 353,761.21, 488,199.21 and 192,625.07
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Solution
The fourth proportional to 353,761.21, 488,199.21 and 192,625.07 is: 265,827.36
Step by Step Solution
- Step 1: Write the proportion equation
353,761.21 : 488,199.21 = 192,625.07 : x - Step 2: Convert to fraction form
353,761.21/488,199.21 = 192,625.07/x - Step 3: Cross multiply
353,761.21x = 488,199.21 × 192,625.07 - Step 4: Simplify right side
353,761.21x = 94,039,407,000.19 - Step 5: Solve for x
x = 94,039,407,000.19/353,761.21 - Step 6: Final answer
x = 265,827.36
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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.