Finding the Fourth Proportional to 330,163.96, 494,142.44 and 187,971.06
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Solution
The fourth proportional to 330,163.96, 494,142.44 and 187,971.06 is: 281,328.34
Step by Step Solution
- Step 1: Write the proportion equation
330,163.96 : 494,142.44 = 187,971.06 : x - Step 2: Convert to fraction form
330,163.96/494,142.44 = 187,971.06/x - Step 3: Cross multiply
330,163.96x = 494,142.44 × 187,971.06 - Step 4: Simplify right side
330,163.96x = 92,884,478,237.79 - Step 5: Solve for x
x = 92,884,478,237.79/330,163.96 - Step 6: Final answer
x = 281,328.34
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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.