Finding the Fourth Proportional to 281,952.12, 422,920.08 and 104,455.20
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Solution
The fourth proportional to 281,952.12, 422,920.08 and 104,455.20 is: 156,679.80
Step by Step Solution
- Step 1: Write the proportion equation
281,952.12 : 422,920.08 = 104,455.20 : x - Step 2: Convert to fraction form
281,952.12/422,920.08 = 104,455.20/x - Step 3: Cross multiply
281,952.12x = 422,920.08 × 104,455.20 - Step 4: Simplify right side
281,952.12x = 44,176,201,540.42 - Step 5: Solve for x
x = 44,176,201,540.42/281,952.12 - Step 6: Final answer
x = 156,679.80
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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.