Finding the Fourth Proportional to 428,474.40, 591,313.33 and 237,487.94
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Solution
The fourth proportional to 428,474.40, 591,313.33 and 237,487.94 is: 327,743.70
Step by Step Solution
- Step 1: Write the proportion equation
428,474.40 : 591,313.33 = 237,487.94 : x - Step 2: Convert to fraction form
428,474.40/591,313.33 = 237,487.94/x - Step 3: Cross multiply
428,474.40x = 591,313.33 × 237,487.94 - Step 4: Simplify right side
428,474.40x = 140,429,784,636.24 - Step 5: Solve for x
x = 140,429,784,636.24/428,474.40 - Step 6: Final answer
x = 327,743.70
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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.