Finding the Fourth Proportional to 647,722.22, 971,694.05 and 221,234.63
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Solution
The fourth proportional to 647,722.22, 971,694.05 and 221,234.63 is: 331,889.76
Step by Step Solution
- Step 1: Write the proportion equation
647,722.22 : 971,694.05 = 221,234.63 : x - Step 2: Convert to fraction form
647,722.22/971,694.05 = 221,234.63/x - Step 3: Cross multiply
647,722.22x = 971,694.05 × 221,234.63 - Step 4: Simplify right side
647,722.22x = 214,972,367,660.31 - Step 5: Solve for x
x = 214,972,367,660.31/647,722.22 - Step 6: Final answer
x = 331,889.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.