Finding the Fourth Proportional to 324,615.05, 489,138.30 and 266,747.03
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Solution
The fourth proportional to 324,615.05, 489,138.30 and 266,747.03 is: 401,941.28
Step by Step Solution
- Step 1: Write the proportion equation
324,615.05 : 489,138.30 = 266,747.03 : x - Step 2: Convert to fraction form
324,615.05/489,138.30 = 266,747.03/x - Step 3: Cross multiply
324,615.05x = 489,138.30 × 266,747.03 - Step 4: Simplify right side
324,615.05x = 130,476,186,338.56 - Step 5: Solve for x
x = 130,476,186,338.56/324,615.05 - Step 6: Final answer
x = 401,941.28
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.