Finding the Fourth Proportional to 319,758.64, 479,685.34 and 106,456.88
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Solution
The fourth proportional to 319,758.64, 479,685.34 and 106,456.88 is: 159,701.09
Step by Step Solution
- Step 1: Write the proportion equation
319,758.64 : 479,685.34 = 106,456.88 : x - Step 2: Convert to fraction form
319,758.64/479,685.34 = 106,456.88/x - Step 3: Cross multiply
319,758.64x = 479,685.34 × 106,456.88 - Step 4: Simplify right side
319,758.64x = 51,065,804,678.14 - Step 5: Solve for x
x = 51,065,804,678.14/319,758.64 - Step 6: Final answer
x = 159,701.09
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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.