Finding the Fourth Proportional to 647,457.18, 971,622.09 and 226,736.70
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Solution
The fourth proportional to 647,457.18, 971,622.09 and 226,736.70 is: 340,257.85
Step by Step Solution
- Step 1: Write the proportion equation
647,457.18 : 971,622.09 = 226,736.70 : x - Step 2: Convert to fraction form
647,457.18/971,622.09 = 226,736.70/x - Step 3: Cross multiply
647,457.18x = 971,622.09 × 226,736.70 - Step 4: Simplify right side
647,457.18x = 220,302,386,333.70 - Step 5: Solve for x
x = 220,302,386,333.70/647,457.18 - Step 6: Final answer
x = 340,257.85
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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.