Finding the Fourth Proportional to 264,838.20, 397,257.30 and 235,807.80
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Solution
The fourth proportional to 264,838.20, 397,257.30 and 235,807.80 is: 353,711.70
Step by Step Solution
- Step 1: Write the proportion equation
264,838.20 : 397,257.30 = 235,807.80 : x - Step 2: Convert to fraction form
264,838.20/397,257.30 = 235,807.80/x - Step 3: Cross multiply
264,838.20x = 397,257.30 × 235,807.80 - Step 4: Simplify right side
264,838.20x = 93,676,369,946.94 - Step 5: Solve for x
x = 93,676,369,946.94/264,838.20 - Step 6: Final answer
x = 353,711.70
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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.