Finding the Fourth Proportional to 271,828.64, 375,128.16 and 149,326.18
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Solution
The fourth proportional to 271,828.64, 375,128.16 and 149,326.18 is: 206,072.68
Step by Step Solution
- Step 1: Write the proportion equation
271,828.64 : 375,128.16 = 149,326.18 : x - Step 2: Convert to fraction form
271,828.64/375,128.16 = 149,326.18/x - Step 3: Cross multiply
271,828.64x = 375,128.16 × 149,326.18 - Step 4: Simplify right side
271,828.64x = 56,016,455,143.23 - Step 5: Solve for x
x = 56,016,455,143.23/271,828.64 - Step 6: Final answer
x = 206,072.68
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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.