Finding the Fourth Proportional to 421,141.14, 632,149.11 and 243,994.14
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Solution
The fourth proportional to 421,141.14, 632,149.11 and 243,994.14 is: 366,244.62
Step by Step Solution
- Step 1: Write the proportion equation
421,141.14 : 632,149.11 = 243,994.14 : x - Step 2: Convert to fraction form
421,141.14/632,149.11 = 243,994.14/x - Step 3: Cross multiply
421,141.14x = 632,149.11 × 243,994.14 - Step 4: Simplify right side
421,141.14x = 154,240,678,446.22 - Step 5: Solve for x
x = 154,240,678,446.22/421,141.14 - Step 6: Final answer
x = 366,244.62
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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.