Finding the Fourth Proportional to 274,710.46, 411,936.52 and 106,310.09
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Solution
The fourth proportional to 274,710.46, 411,936.52 and 106,310.09 is: 159,415.15
Step by Step Solution
- Step 1: Write the proportion equation
274,710.46 : 411,936.52 = 106,310.09 : x - Step 2: Convert to fraction form
274,710.46/411,936.52 = 106,310.09/x - Step 3: Cross multiply
274,710.46x = 411,936.52 × 106,310.09 - Step 4: Simplify right side
274,710.46x = 43,793,008,515.49 - Step 5: Solve for x
x = 43,793,008,515.49/274,710.46 - Step 6: Final answer
x = 159,415.15
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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.