Finding the Fourth Proportional to 202,559.19, 279,548.04 and 111,923.09
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Solution
The fourth proportional to 202,559.19, 279,548.04 and 111,923.09 is: 154,462.90
Step by Step Solution
- Step 1: Write the proportion equation
202,559.19 : 279,548.04 = 111,923.09 : x - Step 2: Convert to fraction form
202,559.19/279,548.04 = 111,923.09/x - Step 3: Cross multiply
202,559.19x = 279,548.04 × 111,923.09 - Step 4: Simplify right side
202,559.19x = 31,287,880,440.24 - Step 5: Solve for x
x = 31,287,880,440.24/202,559.19 - Step 6: Final answer
x = 154,462.90
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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.