Finding the Fourth Proportional to 460,745.75, 635,861.05 and 279,465.32
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Solution
The fourth proportional to 460,745.75, 635,861.05 and 279,465.32 is: 385,681.50
Step by Step Solution
- Step 1: Write the proportion equation
460,745.75 : 635,861.05 = 279,465.32 : x - Step 2: Convert to fraction form
460,745.75/635,861.05 = 279,465.32/x - Step 3: Cross multiply
460,745.75x = 635,861.05 × 279,465.32 - Step 4: Simplify right side
460,745.75x = 177,701,112,704.78 - Step 5: Solve for x
x = 177,701,112,704.78/460,745.75 - Step 6: Final answer
x = 385,681.50
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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.