Finding the Fourth Proportional to 738,468.68, 1,107,604.60 and 205,945.12
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Solution
The fourth proportional to 738,468.68, 1,107,604.60 and 205,945.12 is: 308,890.23
Step by Step Solution
- Step 1: Write the proportion equation
738,468.68 : 1,107,604.60 = 205,945.12 : x - Step 2: Convert to fraction form
738,468.68/1,107,604.60 = 205,945.12/x - Step 3: Cross multiply
738,468.68x = 1,107,604.60 × 205,945.12 - Step 4: Simplify right side
738,468.68x = 228,105,762,259.55 - Step 5: Solve for x
x = 228,105,762,259.55/738,468.68 - Step 6: Final answer
x = 308,890.23
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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.