Finding the Fourth Proportional to 84,202.61, 126,194.49 and 34,224.53
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Solution
The fourth proportional to 84,202.61, 126,194.49 and 34,224.53 is: 51,292.31
Step by Step Solution
- Step 1: Write the proportion equation
84,202.61 : 126,194.49 = 34,224.53 : x - Step 2: Convert to fraction form
84,202.61/126,194.49 = 34,224.53/x - Step 3: Cross multiply
84,202.61x = 126,194.49 × 34,224.53 - Step 4: Simplify right side
84,202.61x = 4,318,946,477.87 - Step 5: Solve for x
x = 4,318,946,477.87/84,202.61 - Step 6: Final answer
x = 51,292.31
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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.