Finding the Fourth Proportional to 530,163.53, 731,674.42 and 300,795.53
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Solution
The fourth proportional to 530,163.53, 731,674.42 and 300,795.53 is: 415,125.48
Step by Step Solution
- Step 1: Write the proportion equation
530,163.53 : 731,674.42 = 300,795.53 : x - Step 2: Convert to fraction form
530,163.53/731,674.42 = 300,795.53/x - Step 3: Cross multiply
530,163.53x = 731,674.42 × 300,795.53 - Step 4: Simplify right side
530,163.53x = 220,084,390,540.98 - Step 5: Solve for x
x = 220,084,390,540.98/530,163.53 - Step 6: Final answer
x = 415,125.48
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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.