Finding the Fourth Proportional to 274,284.62, 411,445.42 and 105,806.36
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Solution
The fourth proportional to 274,284.62, 411,445.42 and 105,806.36 is: 158,716.66
Step by Step Solution
- Step 1: Write the proportion equation
274,284.62 : 411,445.42 = 105,806.36 : x - Step 2: Convert to fraction form
274,284.62/411,445.42 = 105,806.36/x - Step 3: Cross multiply
274,284.62x = 411,445.42 × 105,806.36 - Step 4: Simplify right side
274,284.62x = 43,533,539,907.13 - Step 5: Solve for x
x = 43,533,539,907.13/274,284.62 - Step 6: Final answer
x = 158,716.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.