Finding the Fourth Proportional to 454,872.70, 682,309.05 and 277,725.70
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Solution
The fourth proportional to 454,872.70, 682,309.05 and 277,725.70 is: 416,588.55
Step by Step Solution
- Step 1: Write the proportion equation
454,872.70 : 682,309.05 = 277,725.70 : x - Step 2: Convert to fraction form
454,872.70/682,309.05 = 277,725.70/x - Step 3: Cross multiply
454,872.70x = 682,309.05 × 277,725.70 - Step 4: Simplify right side
454,872.70x = 189,494,758,527.59 - Step 5: Solve for x
x = 189,494,758,527.59/454,872.70 - Step 6: Final answer
x = 416,588.55
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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.