Finding the Fourth Proportional to 281,587.98, 422,383.36 and 71,226.12
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Solution
The fourth proportional to 281,587.98, 422,383.36 and 71,226.12 is: 106,839.53
Step by Step Solution
- Step 1: Write the proportion equation
281,587.98 : 422,383.36 = 71,226.12 : x - Step 2: Convert to fraction form
281,587.98/422,383.36 = 71,226.12/x - Step 3: Cross multiply
281,587.98x = 422,383.36 × 71,226.12 - Step 4: Simplify right side
281,587.98x = 30,084,727,885.36 - Step 5: Solve for x
x = 30,084,727,885.36/281,587.98 - Step 6: Final answer
x = 106,839.53
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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.