Finding the Fourth Proportional to 770,801.67, 1,156,174.79 and 202,178.21
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Solution
The fourth proportional to 770,801.67, 1,156,174.79 and 202,178.21 is: 303,260.04
Step by Step Solution
- Step 1: Write the proportion equation
770,801.67 : 1,156,174.79 = 202,178.21 : x - Step 2: Convert to fraction form
770,801.67/1,156,174.79 = 202,178.21/x - Step 3: Cross multiply
770,801.67x = 1,156,174.79 × 202,178.21 - Step 4: Simplify right side
770,801.67x = 233,753,342,697.56 - Step 5: Solve for x
x = 233,753,342,697.56/770,801.67 - Step 6: Final answer
x = 303,260.04
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1.5x scale
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.