Finding the Fourth Proportional to 248,829.24, 343,375.66 and 135,649.72
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Solution
The fourth proportional to 248,829.24, 343,375.66 and 135,649.72 is: 187,191.88
Step by Step Solution
- Step 1: Write the proportion equation
248,829.24 : 343,375.66 = 135,649.72 : x - Step 2: Convert to fraction form
248,829.24/343,375.66 = 135,649.72/x - Step 3: Cross multiply
248,829.24x = 343,375.66 × 135,649.72 - Step 4: Simplify right side
248,829.24x = 46,578,812,133.82 - Step 5: Solve for x
x = 46,578,812,133.82/248,829.24 - Step 6: Final answer
x = 187,191.88
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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.