Finding the Fourth Proportional to 292,487.63, 403,563.60 and 169,907.09
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Solution
The fourth proportional to 292,487.63, 403,563.60 and 169,907.09 is: 234,431.51
Step by Step Solution
- Step 1: Write the proportion equation
292,487.63 : 403,563.60 = 169,907.09 : x - Step 2: Convert to fraction form
292,487.63/403,563.60 = 169,907.09/x - Step 3: Cross multiply
292,487.63x = 403,563.60 × 169,907.09 - Step 4: Simplify right side
292,487.63x = 68,568,314,888.11 - Step 5: Solve for x
x = 68,568,314,888.11/292,487.63 - Step 6: Final answer
x = 234,431.51
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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.