Finding the Fourth Proportional to 356,122.98, 534,183.26 and 145,761.12
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Solution
The fourth proportional to 356,122.98, 534,183.26 and 145,761.12 is: 218,641.18
Step by Step Solution
- Step 1: Write the proportion equation
356,122.98 : 534,183.26 = 145,761.12 : x - Step 2: Convert to fraction form
356,122.98/534,183.26 = 145,761.12/x - Step 3: Cross multiply
356,122.98x = 534,183.26 × 145,761.12 - Step 4: Simplify right side
356,122.98x = 77,863,149,534.05 - Step 5: Solve for x
x = 77,863,149,534.05/356,122.98 - Step 6: Final answer
x = 218,641.18
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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.