Finding the Fourth Proportional to 319,546.44, 479,319.82 and 109,186.44
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Solution
The fourth proportional to 319,546.44, 479,319.82 and 109,186.44 is: 163,779.71
Step by Step Solution
- Step 1: Write the proportion equation
319,546.44 : 479,319.82 = 109,186.44 : x - Step 2: Convert to fraction form
319,546.44/479,319.82 = 109,186.44/x - Step 3: Cross multiply
319,546.44x = 479,319.82 × 109,186.44 - Step 4: Simplify right side
319,546.44x = 52,335,224,767.24 - Step 5: Solve for x
x = 52,335,224,767.24/319,546.44 - Step 6: Final answer
x = 163,779.71
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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.