Finding the Fourth Proportional to 281,802.99, 422,697.06 and 82,178.49
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Solution
The fourth proportional to 281,802.99, 422,697.06 and 82,178.49 is: 123,265.57
Step by Step Solution
- Step 1: Write the proportion equation
281,802.99 : 422,697.06 = 82,178.49 : x - Step 2: Convert to fraction form
281,802.99/422,697.06 = 82,178.49/x - Step 3: Cross multiply
281,802.99x = 422,697.06 × 82,178.49 - Step 4: Simplify right side
281,802.99x = 34,736,606,118.24 - Step 5: Solve for x
x = 34,736,606,118.24/281,802.99 - Step 6: Final answer
x = 123,265.57
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.