Finding the Fourth Proportional to 228,842.12, 343,258.86 and 71,067.08
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Solution
The fourth proportional to 228,842.12, 343,258.86 and 71,067.08 is: 106,599.28
Step by Step Solution
- Step 1: Write the proportion equation
228,842.12 : 343,258.86 = 71,067.08 : x - Step 2: Convert to fraction form
228,842.12/343,258.86 = 71,067.08/x - Step 3: Cross multiply
228,842.12x = 343,258.86 × 71,067.08 - Step 4: Simplify right side
228,842.12x = 24,394,404,864.33 - Step 5: Solve for x
x = 24,394,404,864.33/228,842.12 - Step 6: Final answer
x = 106,599.28
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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.