Finding the Fourth Proportional to 279,414.99, 385,581.98 and 158,549.06
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Solution
The fourth proportional to 279,414.99, 385,581.98 and 158,549.06 is: 218,791.63
Step by Step Solution
- Step 1: Write the proportion equation
279,414.99 : 385,581.98 = 158,549.06 : x - Step 2: Convert to fraction form
279,414.99/385,581.98 = 158,549.06/x - Step 3: Cross multiply
279,414.99x = 385,581.98 × 158,549.06 - Step 4: Simplify right side
279,414.99x = 61,133,661,842.27 - Step 5: Solve for x
x = 61,133,661,842.27/279,414.99 - Step 6: Final answer
x = 218,791.63
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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.