Finding the Fourth Proportional to 319,463.40, 479,252.48 and 109,052.14
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Solution
The fourth proportional to 319,463.40, 479,252.48 and 109,052.14 is: 163,597.80
Step by Step Solution
- Step 1: Write the proportion equation
319,463.40 : 479,252.48 = 109,052.14 : x - Step 2: Convert to fraction form
319,463.40/479,252.48 = 109,052.14/x - Step 3: Cross multiply
319,463.40x = 479,252.48 × 109,052.14 - Step 4: Simplify right side
319,463.40x = 52,263,508,544.31 - Step 5: Solve for x
x = 52,263,508,544.31/319,463.40 - Step 6: Final answer
x = 163,597.80
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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.