Finding the Fourth Proportional to 546,868.05, 820,490.81 and 227,191.62
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Solution
The fourth proportional to 546,868.05, 820,490.81 and 227,191.62 is: 340,865.84
Step by Step Solution
- Step 1: Write the proportion equation
546,868.05 : 820,490.81 = 227,191.62 : x - Step 2: Convert to fraction form
546,868.05/820,490.81 = 227,191.62/x - Step 3: Cross multiply
546,868.05x = 820,490.81 × 227,191.62 - Step 4: Simplify right side
546,868.05x = 186,408,635,183.05 - Step 5: Solve for x
x = 186,408,635,183.05/546,868.05 - Step 6: Final answer
x = 340,865.84
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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.