Finding the Fourth Proportional to 416,234.10, 574,403.06 and 225,247.48
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Solution
The fourth proportional to 416,234.10, 574,403.06 and 225,247.48 is: 310,841.52
Step by Step Solution
- Step 1: Write the proportion equation
416,234.10 : 574,403.06 = 225,247.48 : x - Step 2: Convert to fraction form
416,234.10/574,403.06 = 225,247.48/x - Step 3: Cross multiply
416,234.10x = 574,403.06 × 225,247.48 - Step 4: Simplify right side
416,234.10x = 129,382,841,769.29 - Step 5: Solve for x
x = 129,382,841,769.29/416,234.10 - Step 6: Final answer
x = 310,841.52
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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.