Finding the Fourth Proportional to 279,170.62, 385,220.49 and 188,723.38
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Solution
The fourth proportional to 279,170.62, 385,220.49 and 188,723.38 is: 260,414.63
Step by Step Solution
- Step 1: Write the proportion equation
279,170.62 : 385,220.49 = 188,723.38 : x - Step 2: Convert to fraction form
279,170.62/385,220.49 = 188,723.38/x - Step 3: Cross multiply
279,170.62x = 385,220.49 × 188,723.38 - Step 4: Simplify right side
279,170.62x = 72,700,112,918.06 - Step 5: Solve for x
x = 72,700,112,918.06/279,170.62 - Step 6: Final answer
x = 260,414.63
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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.