Finding the Fourth Proportional to 403,741.14, 557,163.30 and 219,978.84
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Solution
The fourth proportional to 403,741.14, 557,163.30 and 219,978.84 is: 303,571.09
Step by Step Solution
- Step 1: Write the proportion equation
403,741.14 : 557,163.30 = 219,978.84 : x - Step 2: Convert to fraction form
403,741.14/557,163.30 = 219,978.84/x - Step 3: Cross multiply
403,741.14x = 557,163.30 × 219,978.84 - Step 4: Simplify right side
403,741.14x = 122,564,136,424.57 - Step 5: Solve for x
x = 122,564,136,424.57/403,741.14 - Step 6: Final answer
x = 303,571.09
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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.