Finding the Fourth Proportional to 217,587.36, 326,203.92 and 84,398.88
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Solution
The fourth proportional to 217,587.36, 326,203.92 and 84,398.88 is: 126,529.62
Step by Step Solution
- Step 1: Write the proportion equation
217,587.36 : 326,203.92 = 84,398.88 : x - Step 2: Convert to fraction form
217,587.36/326,203.92 = 84,398.88/x - Step 3: Cross multiply
217,587.36x = 326,203.92 × 84,398.88 - Step 4: Simplify right side
217,587.36x = 27,531,245,499.61 - Step 5: Solve for x
x = 27,531,245,499.61/217,587.36 - Step 6: Final answer
x = 126,529.62
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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.