Finding the Fourth Proportional to 281,472.18, 422,209.08 and 68,239.26
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Solution
The fourth proportional to 281,472.18, 422,209.08 and 68,239.26 is: 102,359.09
Step by Step Solution
- Step 1: Write the proportion equation
281,472.18 : 422,209.08 = 68,239.26 : x - Step 2: Convert to fraction form
281,472.18/422,209.08 = 68,239.26/x - Step 3: Cross multiply
281,472.18x = 422,209.08 × 68,239.26 - Step 4: Simplify right side
281,472.18x = 28,811,235,184.48 - Step 5: Solve for x
x = 28,811,235,184.48/281,472.18 - Step 6: Final answer
x = 102,359.09
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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.