Finding the Fourth Proportional to 558,163.80, 770,257.26 and 303,512.76
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Solution
The fourth proportional to 558,163.80, 770,257.26 and 303,512.76 is: 418,842.83
Step by Step Solution
- Step 1: Write the proportion equation
558,163.80 : 770,257.26 = 303,512.76 : x - Step 2: Convert to fraction form
558,163.80/770,257.26 = 303,512.76/x - Step 3: Cross multiply
558,163.80x = 770,257.26 × 303,512.76 - Step 4: Simplify right side
558,163.80x = 233,782,906,892.64 - Step 5: Solve for x
x = 233,782,906,892.64/558,163.80 - Step 6: Final answer
x = 418,842.83
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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.