Finding the Fourth Proportional to 371,768.25, 557,651.28 and 105,528.99
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Solution
The fourth proportional to 371,768.25, 557,651.28 and 105,528.99 is: 158,293.17
Step by Step Solution
- Step 1: Write the proportion equation
371,768.25 : 557,651.28 = 105,528.99 : x - Step 2: Convert to fraction form
371,768.25/557,651.28 = 105,528.99/x - Step 3: Cross multiply
371,768.25x = 557,651.28 × 105,528.99 - Step 4: Simplify right side
371,768.25x = 58,848,376,350.61 - Step 5: Solve for x
x = 58,848,376,350.61/371,768.25 - Step 6: Final answer
x = 158,293.17
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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.