Finding the Fourth Proportional to 202,609.63, 279,587.37 and 111,964.75
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Solution
The fourth proportional to 202,609.63, 279,587.37 and 111,964.75 is: 154,503.66
Step by Step Solution
- Step 1: Write the proportion equation
202,609.63 : 279,587.37 = 111,964.75 : x - Step 2: Convert to fraction form
202,609.63/279,587.37 = 111,964.75/x - Step 3: Cross multiply
202,609.63x = 279,587.37 × 111,964.75 - Step 4: Simplify right side
202,609.63x = 31,303,929,985.21 - Step 5: Solve for x
x = 31,303,929,985.21/202,609.63 - Step 6: Final answer
x = 154,503.66
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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.