Finding the Fourth Proportional to 635,693.11, 877,257.08 and 349,231.75
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Solution
The fourth proportional to 635,693.11, 877,257.08 and 349,231.75 is: 481,940.14
Step by Step Solution
- Step 1: Write the proportion equation
635,693.11 : 877,257.08 = 349,231.75 : x - Step 2: Convert to fraction form
635,693.11/877,257.08 = 349,231.75/x - Step 3: Cross multiply
635,693.11x = 877,257.08 × 349,231.75 - Step 4: Simplify right side
635,693.11x = 306,366,023,502.13 - Step 5: Solve for x
x = 306,366,023,502.13/635,693.11 - Step 6: Final answer
x = 481,940.14
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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.