Finding the Fourth Proportional to 199,721.14, 275,617.05 and 113,675.92
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Solution
The fourth proportional to 199,721.14, 275,617.05 and 113,675.92 is: 156,873.84
Step by Step Solution
- Step 1: Write the proportion equation
199,721.14 : 275,617.05 = 113,675.92 : x - Step 2: Convert to fraction form
199,721.14/275,617.05 = 113,675.92/x - Step 3: Cross multiply
199,721.14x = 275,617.05 × 113,675.92 - Step 4: Simplify right side
199,721.14x = 31,331,021,726.44 - Step 5: Solve for x
x = 31,331,021,726.44/199,721.14 - Step 6: Final answer
x = 156,873.84
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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.