Finding the Fourth Proportional to 647,660.84, 971,556.04 and 198,376.52
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Solution
The fourth proportional to 647,660.84, 971,556.04 and 198,376.52 is: 297,584.62
Step by Step Solution
- Step 1: Write the proportion equation
647,660.84 : 971,556.04 = 198,376.52 : x - Step 2: Convert to fraction form
647,660.84/971,556.04 = 198,376.52/x - Step 3: Cross multiply
647,660.84x = 971,556.04 × 198,376.52 - Step 4: Simplify right side
647,660.84x = 192,733,906,200.18 - Step 5: Solve for x
x = 192,733,906,200.18/647,660.84 - Step 6: Final answer
x = 297,584.62
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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.