Finding the Fourth Proportional to 543,115.70, 814,673.55 and 227,539.70
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Solution
The fourth proportional to 543,115.70, 814,673.55 and 227,539.70 is: 341,309.55
Step by Step Solution
- Step 1: Write the proportion equation
543,115.70 : 814,673.55 = 227,539.70 : x - Step 2: Convert to fraction form
543,115.70/814,673.55 = 227,539.70/x - Step 3: Cross multiply
543,115.70x = 814,673.55 × 227,539.70 - Step 4: Simplify right side
543,115.70x = 185,370,575,164.94 - Step 5: Solve for x
x = 185,370,575,164.94/543,115.70 - Step 6: Final answer
x = 341,309.55
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Similar ratio
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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.