Finding the Fourth Proportional to 205,237.05, 283,274.34 and 120,381.45
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Solution
The fourth proportional to 205,237.05, 283,274.34 and 120,381.45 is: 166,154.09
Step by Step Solution
- Step 1: Write the proportion equation
205,237.05 : 283,274.34 = 120,381.45 : x - Step 2: Convert to fraction form
205,237.05/283,274.34 = 120,381.45/x - Step 3: Cross multiply
205,237.05x = 283,274.34 × 120,381.45 - Step 4: Simplify right side
205,237.05x = 34,100,975,796.99 - Step 5: Solve for x
x = 34,100,975,796.99/205,237.05 - Step 6: Final answer
x = 166,154.09
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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.