Finding the Fourth Proportional to 248,821.92, 343,372.50 and 135,645.48
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Solution
The fourth proportional to 248,821.92, 343,372.50 and 135,645.48 is: 187,189.81
Step by Step Solution
- Step 1: Write the proportion equation
248,821.92 : 343,372.50 = 135,645.48 : x - Step 2: Convert to fraction form
248,821.92/343,372.50 = 135,645.48/x - Step 3: Cross multiply
248,821.92x = 343,372.50 × 135,645.48 - Step 4: Simplify right side
248,821.92x = 46,576,927,581.30 - Step 5: Solve for x
x = 46,576,927,581.30/248,821.92 - Step 6: Final answer
x = 187,189.81
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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.