Finding the Fourth Proportional to 647,586.10, 971,206.35 and 226,818.10
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Solution
The fourth proportional to 647,586.10, 971,206.35 and 226,818.10 is: 340,166.63
Step by Step Solution
- Step 1: Write the proportion equation
647,586.10 : 971,206.35 = 226,818.10 : x - Step 2: Convert to fraction form
647,586.10/971,206.35 = 226,818.10/x - Step 3: Cross multiply
647,586.10x = 971,206.35 × 226,818.10 - Step 4: Simplify right side
647,586.10x = 220,287,179,014.94 - Step 5: Solve for x
x = 220,287,179,014.94/647,586.10 - Step 6: Final answer
x = 340,166.63
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1.5x scale
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.