Finding the Fourth Proportional to 202,675.10, 279,708.88 and 117,786.68
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Solution
The fourth proportional to 202,675.10, 279,708.88 and 117,786.68 is: 162,555.64
Step by Step Solution
- Step 1: Write the proportion equation
202,675.10 : 279,708.88 = 117,786.68 : x - Step 2: Convert to fraction form
202,675.10/279,708.88 = 117,786.68/x - Step 3: Cross multiply
202,675.10x = 279,708.88 × 117,786.68 - Step 4: Simplify right side
202,675.10x = 32,945,980,341.72 - Step 5: Solve for x
x = 32,945,980,341.72/202,675.10 - Step 6: Final answer
x = 162,555.64
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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.