Finding the Fourth Proportional to 84,130.53, 126,220.14 and 27,203.22
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Solution
The fourth proportional to 84,130.53, 126,220.14 and 27,203.22 is: 40,812.70
Step by Step Solution
- Step 1: Write the proportion equation
84,130.53 : 126,220.14 = 27,203.22 : x - Step 2: Convert to fraction form
84,130.53/126,220.14 = 27,203.22/x - Step 3: Cross multiply
84,130.53x = 126,220.14 × 27,203.22 - Step 4: Simplify right side
84,130.53x = 3,433,594,236.85 - Step 5: Solve for x
x = 3,433,594,236.85/84,130.53 - Step 6: Final answer
x = 40,812.70
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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.