Finding the Fourth Proportional to 434,136.20, 651,204.30 and 394,737.80
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Solution
The fourth proportional to 434,136.20, 651,204.30 and 394,737.80 is: 592,106.70
Step by Step Solution
- Step 1: Write the proportion equation
434,136.20 : 651,204.30 = 394,737.80 : x - Step 2: Convert to fraction form
434,136.20/651,204.30 = 394,737.80/x - Step 3: Cross multiply
434,136.20x = 651,204.30 × 394,737.80 - Step 4: Simplify right side
434,136.20x = 257,054,952,732.54 - Step 5: Solve for x
x = 257,054,952,732.54/434,136.20 - Step 6: Final answer
x = 592,106.70
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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.