Finding the Fourth Proportional to 267,999.97, 369,840.68 and 147,149.08
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Solution
The fourth proportional to 267,999.97, 369,840.68 and 147,149.08 is: 203,066.13
Step by Step Solution
- Step 1: Write the proportion equation
267,999.97 : 369,840.68 = 147,149.08 : x - Step 2: Convert to fraction form
267,999.97/369,840.68 = 147,149.08/x - Step 3: Cross multiply
267,999.97x = 369,840.68 × 147,149.08 - Step 4: Simplify right side
267,999.97x = 54,421,716,567.93 - Step 5: Solve for x
x = 54,421,716,567.93/267,999.97 - Step 6: Final answer
x = 203,066.13
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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.