Finding the Fourth Proportional to 319,713.58, 479,249.61 and 109,207.54
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Solution
The fourth proportional to 319,713.58, 479,249.61 and 109,207.54 is: 163,701.75
Step by Step Solution
- Step 1: Write the proportion equation
319,713.58 : 479,249.61 = 109,207.54 : x - Step 2: Convert to fraction form
319,713.58/479,249.61 = 109,207.54/x - Step 3: Cross multiply
319,713.58x = 479,249.61 × 109,207.54 - Step 4: Simplify right side
319,713.58x = 52,337,670,954.06 - Step 5: Solve for x
x = 52,337,670,954.06/319,713.58 - Step 6: Final answer
x = 163,701.75
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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.