Finding the Fourth Proportional to 421,583.33, 581,770.37 and 240,353.62
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Solution
The fourth proportional to 421,583.33, 581,770.37 and 240,353.62 is: 331,679.65
Step by Step Solution
- Step 1: Write the proportion equation
421,583.33 : 581,770.37 = 240,353.62 : x - Step 2: Convert to fraction form
421,583.33/581,770.37 = 240,353.62/x - Step 3: Cross multiply
421,583.33x = 581,770.37 × 240,353.62 - Step 4: Simplify right side
421,583.33x = 139,830,613,584.70 - Step 5: Solve for x
x = 139,830,613,584.70/421,583.33 - Step 6: Final answer
x = 331,679.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.