Finding the Fourth Proportional to 199,261.19, 274,976.88 and 108,617.94
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Solution
The fourth proportional to 199,261.19, 274,976.88 and 108,617.94 is: 149,890.82
Step by Step Solution
- Step 1: Write the proportion equation
199,261.19 : 274,976.88 = 108,617.94 : x - Step 2: Convert to fraction form
199,261.19/274,976.88 = 108,617.94/x - Step 3: Cross multiply
199,261.19x = 274,976.88 × 108,617.94 - Step 4: Simplify right side
199,261.19x = 29,867,422,253.23 - Step 5: Solve for x
x = 29,867,422,253.23/199,261.19 - Step 6: Final answer
x = 149,890.82
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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.