Finding the Fourth Proportional to 267,141.21, 368,655.48 and 144,634.92
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Solution
The fourth proportional to 267,141.21, 368,655.48 and 144,634.92 is: 199,596.52
Step by Step Solution
- Step 1: Write the proportion equation
267,141.21 : 368,655.48 = 144,634.92 : x - Step 2: Convert to fraction form
267,141.21/368,655.48 = 144,634.92/x - Step 3: Cross multiply
267,141.21x = 368,655.48 × 144,634.92 - Step 4: Simplify right side
267,141.21x = 53,320,455,857.36 - Step 5: Solve for x
x = 53,320,455,857.36/267,141.21 - Step 6: Final answer
x = 199,596.52
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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.