Finding the Fourth Proportional to 217,635.08, 326,341.49 and 127,853.15
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Solution
The fourth proportional to 217,635.08, 326,341.49 and 127,853.15 is: 191,714.43
Step by Step Solution
- Step 1: Write the proportion equation
217,635.08 : 326,341.49 = 127,853.15 : x - Step 2: Convert to fraction form
217,635.08/326,341.49 = 127,853.15/x - Step 3: Cross multiply
217,635.08x = 326,341.49 × 127,853.15 - Step 4: Simplify right side
217,635.08x = 41,723,785,201.22 - Step 5: Solve for x
x = 41,723,785,201.22/217,635.08 - Step 6: Final answer
x = 191,714.43
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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.