Finding the Fourth Proportional to 281,813.17, 422,771.58 and 92,284.09
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Solution
The fourth proportional to 281,813.17, 422,771.58 and 92,284.09 is: 138,443.11
Step by Step Solution
- Step 1: Write the proportion equation
281,813.17 : 422,771.58 = 92,284.09 : x - Step 2: Convert to fraction form
281,813.17/422,771.58 = 92,284.09/x - Step 3: Cross multiply
281,813.17x = 422,771.58 × 92,284.09 - Step 4: Simplify right side
281,813.17x = 39,015,090,538.16 - Step 5: Solve for x
x = 39,015,090,538.16/281,813.17 - Step 6: Final answer
x = 138,443.11
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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.