Finding the Fourth Proportional to 527,295.66, 727,720.11 and 300,975.18
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Solution
The fourth proportional to 527,295.66, 727,720.11 and 300,975.18 is: 415,375.49
Step by Step Solution
- Step 1: Write the proportion equation
527,295.66 : 727,720.11 = 300,975.18 : x - Step 2: Convert to fraction form
527,295.66/727,720.11 = 300,975.18/x - Step 3: Cross multiply
527,295.66x = 727,720.11 × 300,975.18 - Step 4: Simplify right side
527,295.66x = 219,025,691,096.87 - Step 5: Solve for x
x = 219,025,691,096.87/527,295.66 - Step 6: Final answer
x = 415,375.49
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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.