Finding the Fourth Proportional to 209,303.36, 288,837.09 and 113,810.03
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Solution
The fourth proportional to 209,303.36, 288,837.09 and 113,810.03 is: 157,057.00
Step by Step Solution
- Step 1: Write the proportion equation
209,303.36 : 288,837.09 = 113,810.03 : x - Step 2: Convert to fraction form
209,303.36/288,837.09 = 113,810.03/x - Step 3: Cross multiply
209,303.36x = 288,837.09 × 113,810.03 - Step 4: Simplify right side
209,303.36x = 32,872,557,516.97 - Step 5: Solve for x
x = 32,872,557,516.97/209,303.36 - Step 6: Final answer
x = 157,057.00
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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.