Finding the Fourth Proportional to 421,564.50, 632,379.68 and 122,049.54
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Solution
The fourth proportional to 421,564.50, 632,379.68 and 122,049.54 is: 183,083.84
Step by Step Solution
- Step 1: Write the proportion equation
421,564.50 : 632,379.68 = 122,049.54 : x - Step 2: Convert to fraction form
421,564.50/632,379.68 = 122,049.54/x - Step 3: Cross multiply
421,564.50x = 632,379.68 × 122,049.54 - Step 4: Simplify right side
421,564.50x = 77,181,646,192.57 - Step 5: Solve for x
x = 77,181,646,192.57/421,564.50 - Step 6: Final answer
x = 183,083.84
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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.