Finding the Fourth Proportional to 738,399.42, 1,107,583.21 and 205,906.26
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Solution
The fourth proportional to 738,399.42, 1,107,583.21 and 205,906.26 is: 308,854.95
Step by Step Solution
- Step 1: Write the proportion equation
738,399.42 : 1,107,583.21 = 205,906.26 : x - Step 2: Convert to fraction form
738,399.42/1,107,583.21 = 205,906.26/x - Step 3: Cross multiply
738,399.42x = 1,107,583.21 × 205,906.26 - Step 4: Simplify right side
738,399.42x = 228,058,316,409.90 - Step 5: Solve for x
x = 228,058,316,409.90/738,399.42 - Step 6: Final answer
x = 308,854.95
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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.