Finding the Fourth Proportional to 202,312.08, 279,170.75 and 111,662.19
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Solution
The fourth proportional to 202,312.08, 279,170.75 and 111,662.19 is: 154,082.83
Step by Step Solution
- Step 1: Write the proportion equation
202,312.08 : 279,170.75 = 111,662.19 : x - Step 2: Convert to fraction form
202,312.08/279,170.75 = 111,662.19/x - Step 3: Cross multiply
202,312.08x = 279,170.75 × 111,662.19 - Step 4: Simplify right side
202,312.08x = 31,172,817,608.10 - Step 5: Solve for x
x = 31,172,817,608.10/202,312.08 - Step 6: Final answer
x = 154,082.83
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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.