Finding the Fourth Proportional to 319,682.97, 479,602.35 and 106,450.47
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Solution
The fourth proportional to 319,682.97, 479,602.35 and 106,450.47 is: 159,701.64
Step by Step Solution
- Step 1: Write the proportion equation
319,682.97 : 479,602.35 = 106,450.47 : x - Step 2: Convert to fraction form
319,682.97/479,602.35 = 106,450.47/x - Step 3: Cross multiply
319,682.97x = 479,602.35 × 106,450.47 - Step 4: Simplify right side
319,682.97x = 51,053,895,570.60 - Step 5: Solve for x
x = 51,053,895,570.60/319,682.97 - Step 6: Final answer
x = 159,701.64
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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.