Finding the Fourth Proportional to 423,171.24, 634,754.12 and 107,625.42
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Solution
The fourth proportional to 423,171.24, 634,754.12 and 107,625.42 is: 161,437.43
Step by Step Solution
- Step 1: Write the proportion equation
423,171.24 : 634,754.12 = 107,625.42 : x - Step 2: Convert to fraction form
423,171.24/634,754.12 = 107,625.42/x - Step 3: Cross multiply
423,171.24x = 634,754.12 × 107,625.42 - Step 4: Simplify right side
423,171.24x = 68,315,678,761.73 - Step 5: Solve for x
x = 68,315,678,761.73/423,171.24 - Step 6: Final answer
x = 161,437.43
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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.