Finding the Fourth Proportional to 305,703.25, 458,313.68 and 193,146.26
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Solution
The fourth proportional to 305,703.25, 458,313.68 and 193,146.26 is: 289,567.00
Step by Step Solution
- Step 1: Write the proportion equation
305,703.25 : 458,313.68 = 193,146.26 : x - Step 2: Convert to fraction form
305,703.25/458,313.68 = 193,146.26/x - Step 3: Cross multiply
305,703.25x = 458,313.68 × 193,146.26 - Step 4: Simplify right side
305,703.25x = 88,521,571,390.13 - Step 5: Solve for x
x = 88,521,571,390.13/305,703.25 - Step 6: Final answer
x = 289,567.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.