Finding the Fourth Proportional to 267,143.68, 368,658.90 and 146,292.88
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Solution
The fourth proportional to 267,143.68, 368,658.90 and 146,292.88 is: 201,884.51
Step by Step Solution
- Step 1: Write the proportion equation
267,143.68 : 368,658.90 = 146,292.88 : x - Step 2: Convert to fraction form
267,143.68/368,658.90 = 146,292.88/x - Step 3: Cross multiply
267,143.68x = 368,658.90 × 146,292.88 - Step 4: Simplify right side
267,143.68x = 53,932,172,218.63 - Step 5: Solve for x
x = 53,932,172,218.63/267,143.68 - Step 6: Final answer
x = 201,884.51
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1.5x scale
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.