Finding the Fourth Proportional to 202,627.71, 279,618.08 and 117,738.09
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Solution
The fourth proportional to 202,627.71, 279,618.08 and 117,738.09 is: 162,473.82
Step by Step Solution
- Step 1: Write the proportion equation
202,627.71 : 279,618.08 = 117,738.09 : x - Step 2: Convert to fraction form
202,627.71/279,618.08 = 117,738.09/x - Step 3: Cross multiply
202,627.71x = 279,618.08 × 117,738.09 - Step 4: Simplify right side
202,627.71x = 32,921,698,079.98 - Step 5: Solve for x
x = 32,921,698,079.98/202,627.71 - Step 6: Final answer
x = 162,473.82
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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.