Finding the Fourth Proportional to 248,984.88, 343,599.13 and 135,807.63
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Solution
The fourth proportional to 248,984.88, 343,599.13 and 135,807.63 is: 187,414.53
Step by Step Solution
- Step 1: Write the proportion equation
248,984.88 : 343,599.13 = 135,807.63 : x - Step 2: Convert to fraction form
248,984.88/343,599.13 = 135,807.63/x - Step 3: Cross multiply
248,984.88x = 343,599.13 × 135,807.63 - Step 4: Simplify right side
248,984.88x = 46,663,383,515.36 - Step 5: Solve for x
x = 46,663,383,515.36/248,984.88 - Step 6: Final answer
x = 187,414.53
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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.