Finding the Fourth Proportional to 477,520.40, 658,604.70 and 296,129.81
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Solution
The fourth proportional to 477,520.40, 658,604.70 and 296,129.81 is: 408,427.54
Step by Step Solution
- Step 1: Write the proportion equation
477,520.40 : 658,604.70 = 296,129.81 : x - Step 2: Convert to fraction form
477,520.40/658,604.70 = 296,129.81/x - Step 3: Cross multiply
477,520.40x = 658,604.70 × 296,129.81 - Step 4: Simplify right side
477,520.40x = 195,032,481,383.08 - Step 5: Solve for x
x = 195,032,481,383.08/477,520.40 - Step 6: Final answer
x = 408,427.54
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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.