Finding the Fourth Proportional to 424,819.23, 637,622.64 and 214,604.79
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Solution
The fourth proportional to 424,819.23, 637,622.64 and 214,604.79 is: 322,106.12
Step by Step Solution
- Step 1: Write the proportion equation
424,819.23 : 637,622.64 = 214,604.79 : x - Step 2: Convert to fraction form
424,819.23/637,622.64 = 214,604.79/x - Step 3: Cross multiply
424,819.23x = 637,622.64 × 214,604.79 - Step 4: Simplify right side
424,819.23x = 136,836,872,756.45 - Step 5: Solve for x
x = 136,836,872,756.45/424,819.23 - Step 6: Final answer
x = 322,106.12
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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.