Finding the Fourth Proportional to 279,538.05, 385,751.98 and 170,824.17
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Solution
The fourth proportional to 279,538.05, 385,751.98 and 170,824.17 is: 235,730.92
Step by Step Solution
- Step 1: Write the proportion equation
279,538.05 : 385,751.98 = 170,824.17 : x - Step 2: Convert to fraction form
279,538.05/385,751.98 = 170,824.17/x - Step 3: Cross multiply
279,538.05x = 385,751.98 × 170,824.17 - Step 4: Simplify right side
279,538.05x = 65,895,761,382.30 - Step 5: Solve for x
x = 65,895,761,382.30/279,538.05 - Step 6: Final answer
x = 235,730.92
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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.