Finding the Fourth Proportional to 281,729.04, 422,730.24 and 123,936.99
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Solution
The fourth proportional to 281,729.04, 422,730.24 and 123,936.99 is: 185,965.61
Step by Step Solution
- Step 1: Write the proportion equation
281,729.04 : 422,730.24 = 123,936.99 : x - Step 2: Convert to fraction form
281,729.04/422,730.24 = 123,936.99/x - Step 3: Cross multiply
281,729.04x = 422,730.24 × 123,936.99 - Step 4: Simplify right side
281,729.04x = 52,391,913,527.58 - Step 5: Solve for x
x = 52,391,913,527.58/281,729.04 - Step 6: Final answer
x = 185,965.61
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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.