Finding the Fourth Proportional to 127,561.24, 191,278.99 and 43,290.66
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Solution
The fourth proportional to 127,561.24, 191,278.99 and 43,290.66 is: 64,914.66
Step by Step Solution
- Step 1: Write the proportion equation
127,561.24 : 191,278.99 = 43,290.66 : x - Step 2: Convert to fraction form
127,561.24/191,278.99 = 43,290.66/x - Step 3: Cross multiply
127,561.24x = 191,278.99 × 43,290.66 - Step 4: Simplify right side
127,561.24x = 8,280,594,249.13 - Step 5: Solve for x
x = 8,280,594,249.13/127,561.24 - Step 6: Final answer
x = 64,914.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.