Finding the Fourth Proportional to 477,451.26, 658,887.21 and 259,661.97
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Solution
The fourth proportional to 477,451.26, 658,887.21 and 259,661.97 is: 358,335.95
Step by Step Solution
- Step 1: Write the proportion equation
477,451.26 : 658,887.21 = 259,661.97 : x - Step 2: Convert to fraction form
477,451.26/658,887.21 = 259,661.97/x - Step 3: Cross multiply
477,451.26x = 658,887.21 × 259,661.97 - Step 4: Simplify right side
477,451.26x = 171,087,950,956.40 - Step 5: Solve for x
x = 171,087,950,956.40/477,451.26 - Step 6: Final answer
x = 358,335.95
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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.