Finding the Fourth Proportional to 239,064.75, 329,909.36 and 133,080.75
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Solution
The fourth proportional to 239,064.75, 329,909.36 and 133,080.75 is: 183,651.44
Step by Step Solution
- Step 1: Write the proportion equation
239,064.75 : 329,909.36 = 133,080.75 : x - Step 2: Convert to fraction form
239,064.75/329,909.36 = 133,080.75/x - Step 3: Cross multiply
239,064.75x = 329,909.36 × 133,080.75 - Step 4: Simplify right side
239,064.75x = 43,904,585,060.82 - Step 5: Solve for x
x = 43,904,585,060.82/239,064.75 - Step 6: Final answer
x = 183,651.44
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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.