Finding the Fourth Proportional to 465,441.44, 642,153.77 and 261,464.05
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Solution
The fourth proportional to 465,441.44, 642,153.77 and 261,464.05 is: 360,733.09
Step by Step Solution
- Step 1: Write the proportion equation
465,441.44 : 642,153.77 = 261,464.05 : x - Step 2: Convert to fraction form
465,441.44/642,153.77 = 261,464.05/x - Step 3: Cross multiply
465,441.44x = 642,153.77 × 261,464.05 - Step 4: Simplify right side
465,441.44x = 167,900,127,373.57 - Step 5: Solve for x
x = 167,900,127,373.57/465,441.44 - Step 6: Final answer
x = 360,733.09
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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.