Finding the Fourth Proportional to 202,309.80, 279,145.84 and 116,252.15
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Solution
The fourth proportional to 202,309.80, 279,145.84 and 116,252.15 is: 160,404.02
Step by Step Solution
- Step 1: Write the proportion equation
202,309.80 : 279,145.84 = 116,252.15 : x - Step 2: Convert to fraction form
202,309.80/279,145.84 = 116,252.15/x - Step 3: Cross multiply
202,309.80x = 279,145.84 × 116,252.15 - Step 4: Simplify right side
202,309.80x = 32,451,305,113.94 - Step 5: Solve for x
x = 32,451,305,113.94/202,309.80 - Step 6: Final answer
x = 160,404.02
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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.