Finding the Fourth Proportional to 403,738.11, 557,159.22 and 219,975.84
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Solution
The fourth proportional to 403,738.11, 557,159.22 and 219,975.84 is: 303,567.00
Step by Step Solution
- Step 1: Write the proportion equation
403,738.11 : 557,159.22 = 219,975.84 : x - Step 2: Convert to fraction form
403,738.11/557,159.22 = 219,975.84/x - Step 3: Cross multiply
403,738.11x = 557,159.22 × 219,975.84 - Step 4: Simplify right side
403,738.11x = 122,561,567,433.25 - Step 5: Solve for x
x = 122,561,567,433.25/403,738.11 - Step 6: Final answer
x = 303,567.00
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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.