Finding the Fourth Proportional to 421,625.04, 632,286.34 and 122,043.62
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Solution
The fourth proportional to 421,625.04, 632,286.34 and 122,043.62 is: 183,021.66
Step by Step Solution
- Step 1: Write the proportion equation
421,625.04 : 632,286.34 = 122,043.62 : x - Step 2: Convert to fraction form
421,625.04/632,286.34 = 122,043.62/x - Step 3: Cross multiply
421,625.04x = 632,286.34 × 122,043.62 - Step 4: Simplify right side
421,625.04x = 77,166,513,810.15 - Step 5: Solve for x
x = 77,166,513,810.15/421,625.04 - Step 6: Final answer
x = 183,021.66
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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.