Finding the Fourth Proportional to 410,229.40, 566,115.36 and 228,939.40
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Solution
The fourth proportional to 410,229.40, 566,115.36 and 228,939.40 is: 315,935.70
Step by Step Solution
- Step 1: Write the proportion equation
410,229.40 : 566,115.36 = 228,939.40 : x - Step 2: Convert to fraction form
410,229.40/566,115.36 = 228,939.40/x - Step 3: Cross multiply
410,229.40x = 566,115.36 × 228,939.40 - Step 4: Simplify right side
410,229.40x = 129,606,110,849.18 - Step 5: Solve for x
x = 129,606,110,849.18/410,229.40 - Step 6: Final answer
x = 315,935.70
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1.5x scale
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.