Finding the Fourth Proportional to 199,195.16, 274,886.82 and 108,555.08
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Solution
The fourth proportional to 199,195.16, 274,886.82 and 108,555.08 is: 149,804.65
Step by Step Solution
- Step 1: Write the proportion equation
199,195.16 : 274,886.82 = 108,555.08 : x - Step 2: Convert to fraction form
199,195.16/274,886.82 = 108,555.08/x - Step 3: Cross multiply
199,195.16x = 274,886.82 × 108,555.08 - Step 4: Simplify right side
199,195.16x = 29,840,360,736.05 - Step 5: Solve for x
x = 29,840,360,736.05/199,195.16 - Step 6: Final answer
x = 149,804.65
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1.5x scale
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.