Finding the Fourth Proportional to 194,257.30, 291,213.15 and 115,287.70
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Solution
The fourth proportional to 194,257.30, 291,213.15 and 115,287.70 is: 172,829.00
Step by Step Solution
- Step 1: Write the proportion equation
194,257.30 : 291,213.15 = 115,287.70 : x - Step 2: Convert to fraction form
194,257.30/291,213.15 = 115,287.70/x - Step 3: Cross multiply
194,257.30x = 291,213.15 × 115,287.70 - Step 4: Simplify right side
194,257.30x = 33,573,294,273.26 - Step 5: Solve for x
x = 33,573,294,273.26/194,257.30 - Step 6: Final answer
x = 172,829.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.