Finding the Fourth Proportional to 248,869.44, 343,438.08 and 135,696.96
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Solution
The fourth proportional to 248,869.44, 343,438.08 and 135,696.96 is: 187,260.85
Step by Step Solution
- Step 1: Write the proportion equation
248,869.44 : 343,438.08 = 135,696.96 : x - Step 2: Convert to fraction form
248,869.44/343,438.08 = 135,696.96/x - Step 3: Cross multiply
248,869.44x = 343,438.08 × 135,696.96 - Step 4: Simplify right side
248,869.44x = 46,603,503,404.24 - Step 5: Solve for x
x = 46,603,503,404.24/248,869.44 - Step 6: Final answer
x = 187,260.85
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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.