Finding the Fourth Proportional to 202,642.08, 279,691.02 and 117,808.08
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Solution
The fourth proportional to 202,642.08, 279,691.02 and 117,808.08 is: 162,601.28
Step by Step Solution
- Step 1: Write the proportion equation
202,642.08 : 279,691.02 = 117,808.08 : x - Step 2: Convert to fraction form
202,642.08/279,691.02 = 117,808.08/x - Step 3: Cross multiply
202,642.08x = 279,691.02 × 117,808.08 - Step 4: Simplify right side
202,642.08x = 32,949,862,059.44 - Step 5: Solve for x
x = 32,949,862,059.44/202,642.08 - Step 6: Final answer
x = 162,601.28
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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.