Finding the Fourth Proportional to 492,981.20, 739,553.52 and 173,050.09
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Solution
The fourth proportional to 492,981.20, 739,553.52 and 173,050.09 is: 259,603.82
Step by Step Solution
- Step 1: Write the proportion equation
492,981.20 : 739,553.52 = 173,050.09 : x - Step 2: Convert to fraction form
492,981.20/739,553.52 = 173,050.09/x - Step 3: Cross multiply
492,981.20x = 739,553.52 × 173,050.09 - Step 4: Simplify right side
492,981.20x = 127,979,801,995.87 - Step 5: Solve for x
x = 127,979,801,995.87/492,981.20 - Step 6: Final answer
x = 259,603.82
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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.