Finding the Fourth Proportional to 281,479.18, 422,219.58 and 68,246.24
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Solution
The fourth proportional to 281,479.18, 422,219.58 and 68,246.24 is: 102,369.56
Step by Step Solution
- Step 1: Write the proportion equation
281,479.18 : 422,219.58 = 68,246.24 : x - Step 2: Convert to fraction form
281,479.18/422,219.58 = 68,246.24/x - Step 3: Cross multiply
281,479.18x = 422,219.58 × 68,246.24 - Step 4: Simplify right side
281,479.18x = 28,814,898,789.38 - Step 5: Solve for x
x = 28,814,898,789.38/281,479.18 - Step 6: Final answer
x = 102,369.56
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1.5x scale
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.