Finding the Fourth Proportional to 639,145.02, 958,553.49 and 189,761.62
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Solution
The fourth proportional to 639,145.02, 958,553.49 and 189,761.62 is: 284,593.73
Step by Step Solution
- Step 1: Write the proportion equation
639,145.02 : 958,553.49 = 189,761.62 : x - Step 2: Convert to fraction form
639,145.02/958,553.49 = 189,761.62/x - Step 3: Cross multiply
639,145.02x = 958,553.49 × 189,761.62 - Step 4: Simplify right side
639,145.02x = 181,896,663,119.05 - Step 5: Solve for x
x = 181,896,663,119.05/639,145.02 - Step 6: Final answer
x = 284,593.73
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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.