Finding the Fourth Proportional to 199,392.91, 275,112.99 and 117,723.07
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Solution
The fourth proportional to 199,392.91, 275,112.99 and 117,723.07 is: 162,428.77
Step by Step Solution
- Step 1: Write the proportion equation
199,392.91 : 275,112.99 = 117,723.07 : x - Step 2: Convert to fraction form
199,392.91/275,112.99 = 117,723.07/x - Step 3: Cross multiply
199,392.91x = 275,112.99 × 117,723.07 - Step 4: Simplify right side
199,392.91x = 32,387,145,377.26 - Step 5: Solve for x
x = 32,387,145,377.26/199,392.91 - Step 6: Final answer
x = 162,428.77
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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.