Finding the Fourth Proportional to 421,850.34, 632,645.12 and 122,352.96
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Solution
The fourth proportional to 421,850.34, 632,645.12 and 122,352.96 is: 183,491.62
Step by Step Solution
- Step 1: Write the proportion equation
421,850.34 : 632,645.12 = 122,352.96 : x - Step 2: Convert to fraction form
421,850.34/632,645.12 = 122,352.96/x - Step 3: Cross multiply
421,850.34x = 632,645.12 × 122,352.96 - Step 4: Simplify right side
421,850.34x = 77,406,003,061.56 - Step 5: Solve for x
x = 77,406,003,061.56/421,850.34 - Step 6: Final answer
x = 183,491.62
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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.