Finding the Fourth Proportional to 416,837.79, 575,234.19 and 225,851.13
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Solution
The fourth proportional to 416,837.79, 575,234.19 and 225,851.13 is: 311,673.50
Step by Step Solution
- Step 1: Write the proportion equation
416,837.79 : 575,234.19 = 225,851.13 : x - Step 2: Convert to fraction form
416,837.79/575,234.19 = 225,851.13/x - Step 3: Cross multiply
416,837.79x = 575,234.19 × 225,851.13 - Step 4: Simplify right side
416,837.79x = 129,917,291,826.14 - Step 5: Solve for x
x = 129,917,291,826.14/416,837.79 - Step 6: Final answer
x = 311,673.50
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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.